| Hydrocharitaceae | 1 | 2011 | 4 |
| Vallisneria L. | 1 | 2011 | 4 |
| Vallisneria spiralis L. | 1 | 2011 | 4 |
| Vallisneria americana Michx. | 1 | 2011 | 4 |
| Maidenia Rendle | 1 | 2011 | 4 |
| Maidenia rubra Rendle | 1 | 2011 | 4 |
| Vallisnerien | 1 | 2011 | 4 |
| Vallisneria caulescens | 1 | 2011 | 4 |
| Vallisneria triptera | 1 | 2011 | 4 |
| Nechamandra alternifolia | 1 | 2011 | 4 |
| Nechamandra Planchon | 1 | 2011 | 4 |
| Vallisneria rubra | 1 | 2011 | 4 |
| Vallisneria australis | 1 | 2011 | 5 |
| Vallisneria natans | 1 | 2011 | 7 |
| Vallisneria spinulosa. | 1 | 2011 | 7 |
| phylogenetisch | 1 | 2011 | 7 |
| Vallisneria australis „Serpanta Rubra“ | 1 | 2011 | 7 |
| Vallisneria denseserrulata | 1 | 2011 | 8 |
| Vallisneria spiralis | 1 | 2011 | 8 |
| Vallisneria nana | 1 | 2011 | 8 |
| Vallisneria asiatica var. biwaensis | 1 | 2011 | 8 |
| Orara River | 1 | 2011 | 8 |
| Vallisneria neotropicalis | 1 | 2011 | 9 |
| Vallisneria asiatica | 1 | 2011 | 9 |
| Vallisneria asiatica var. Asiatica | 1 | 2011 | 9 |
| Vallisneria gigantea | 1 | 2011 | 9 |
| Vallisneria australis „Serpanta Marmor“ | 1 | 2011 | 9 |
| Vallisneria australis „Gigantea Rubra“ | 1 | 2011 | 9 |
| Vallisneria australis „Gigantea Dwarf“ | 1 | 2011 | 9 |
| Vallisneria australis „Gigantea Narrow“ | 1 | 2011 | 9 |
| Vallisneria australis „Americana“ | 1 | 2011 | 9 |
| Vallisneria „Striped“ | 1 | 2011 | 9 |
| Vallisneria erecta | 1 | 2011 | 9 |
| Vallisneria annua | 1 | 2011 | 9 |
| Vallisneria gracilis | 1 | 2011 | 9 |
| Vallisneria spiralis „Torta” | 1 | 2011 | 10 |
| Maidenia rubra | 1 | 2011 | 10 |
| Vallisneria spinulosa | 1 | 2011 | 14 |
| Okefenokee | 1 | 2011 | 16 |
| Atlanta | 1 | 2011 | 16 |
| Georgia | 1 | 2011 | 16 |
| Schwarzwassersumpf | 1 | 2011 | 16 |
| Torf-Sumpf | 1 | 2011 | 16 |
| Florida | 1 | 2011 | 16 |
| Waycross | 1 | 2011 | 16 |
| Stephen-C. Foster-State Park | 1 | 2011 | 16 |
| Utricularia | 1 | 2011 | 16 |
| Sarracenia | 1 | 2011 | 16 |
| Wasserschlauch | 1 | 2011 | 16 |
| Schlauchpflanze | 1 | 2011 | 16 |
| Drosera | 1 | 2011 | 16 |
| Sonnentau | 1 | 2011 | 16 |
| Eleocharis | 1 | 2011 | 16 |
| Nadelsimse | 1 | 2011 | 16 |
| Proserpinaca pectinata | 1 | 2011 | 17 |
| Eriocaulon decangulare | 1 | 2011 | 17 |
| Juncus repens | 1 | 2011 | 17 |
| Xyris iridifolia | 1 | 2011 | 18 |
| Juncaceae | 1 | 2011 | 19 |
| kriechende Binse | 1 | 2011 | 19 |
| Sagittaria | 1 | 2011 | 19 |
| Sagittaria graminea | 1 | 2011 | 19 |
| Sagittaria lancifolia | 1 | 2011 | 19 |
| Sagittaria latifolia | 1 | 2011 | 19 |
| Froschlöffelgewächse | 1 | 2011 | 19 |
| Alismataceae | 1 | 2011 | 19 |
| Echinodorus | 1 | 2011 | 19 |
| Hottonia inflata | 1 | 2011 | 19 |
| Wasserfeder | 1 | 2011 | 19 |
| Wasserprimel | 1 | 2011 | 19 |
| Primulaceae | 1 | 2011 | 19 |
| Kammblatt | 1 | 2011 | 19 |
| Proserspinaca palustris | 1 | 2011 | 19 |
| Haloragaceae | 1 | 2011 | 19 |
| Myriophyllum | 1 | 2011 | 19 |
| Ludwigia octovalvis | 1 | 2011 | 19 |
| Limnobium spongia | 1 | 2011 | 19 |
| Sarracenia minor | 1 | 2011 | 20 |
| Drosera capillaris | 1 | 2011 | 20 |
| Nuphar lutea | 1 | 2011 | 21 |
| Alternanthera philoxeroides | 1 | 2011 | 22 |
| Eriocaulon | 1 | 2011 | 23 |
| Xyris | 1 | 2011 | 23 |
| Karnivoren | 1 | 2011 | 23 |
| Eleocharis cellulosa | 1 | 2011 | 23 |
| Teichrosen | 1 | 2011 | 23 |
| Eichornia crassipes | 1 | 2011 | 23 |
| Wasserhyazinthe | 1 | 2011 | 23 |
| Pontenderia cordata | 1 | 2011 | 23 |
| Hechtkraut | 1 | 2011 | 23 |
| Pfeilkraut | 1 | 2011 | 23 |
| Hydrocotyle umbellata | 1 | 2011 | 23 |
| Wassernabel | 1 | 2011 | 23 |
| Ammannia | 1 | 2011 | 23 |
| Weiderichgewächs | 1 | 2011 | 23 |
| Fuchsschwanzgewächs | 1 | 2011 | 23 |
| Utricularia inflata | 1 | 2011 | 23 |
| Wasserschlauch | 1 | 2011 | 23 |
| Seerosen | 1 | 2011 | 23 |
| Nymphaea | 1 | 2011 | 23 |
| Cryptocoryne cordata | 1 | 2011 | 24 |
| Cryptocorynen | 1 | 2011 | 24 |
| Bolbitis heudelotii | 1 | 2011 | 24 |
| Cryptocoryne cordata „siamensis“ | 1 | 2011 | 25 |
| Cryptocoryne cordata „blassii“ | 1 | 2011 | 25 |
| Bacopa | 1 | 2011 | 26 |
| Bacopa caroliniana | 1 | 2011 | 26 |
| Bacopa monnieri | 1 | 2011 | 26 |
| Bacopa lanigera | 1 | 2011 | 26 |
| Bacopa crenata | 1 | 2011 | 26 |
| Bacopa madagascariensis | 1 | 2011 | 26 |
| Bacopa sp. „Purple“ | 1 | 2011 | 26 |
| Wolliges Fettblatt | 1 | 2011 | 26 |
| Hygrophila corymbosa ‘Kompakt‘ | 1 | 2011 | 26 |
| Gekerbtes Fettblatt | 1 | 2011 | 26 |
| Madagaskar-Fettblatt | 1 | 2011 | 27 |
| Weinrotes Fettblatt | 1 | 2011 | 28 |
| Südliches Fettblatt | 1 | 2011 | 29 |
| Bacopa australis | 1 | 2011 | 29 |
| Micranthemum umbrosum | 1 | 2011 | 29 |
| Anubias | 1 | 2011 | 30 |
| Speerblätter | 1 | 2011 | 30 |
| Anubias barteri | 1 | 2011 | 30 |
| Anubias barteri var. nana | 1 | 2011 | 30 |
| Literaturbesprechungen | 1 | 2011 | 31 |
| Tagung des VDA-Arbeitskreises Wasserpflanzen zum 35-jährigen Bestehen | 1 | 2011 | 37 |
| Blyxa japonica | 2 | 2011 | 44 |
| Hydrocharitaceae | 2 | 2011 | 44 |
| Blyxa japonica var. recurvifolia | 2 | 2011 | 44 |
| Bjorn Hoorelbeke | 2 | 2011 | 44 |
| Cook | 2 | 2011 | 44 |
| Lüönd | 2 | 2011 | 44 |
| Engler | 2 | 2011 | 44 |
| Prantl | 2 | 2011 | 44 |
| Hydrilla japonica | 2 | 2011 | 45 |
| Blyxa aubertii | 2 | 2011 | 46 |
| Charlotte Hansen | 2 | 2011 | 48 |
| Dr. H. Roessler | 2 | 2011 | 48 |
| Dr. Robert Vogt | 2 | 2011 | 48 |
| Vallisneria | 2 | 2011 | 49 |
| Hydrocharitaceae | 2 | 2011 | 49 |
| Vallisneria gracilis | 2 | 2011 | 49 |
| Vallisneria erecta | 2 | 2011 | 49 |
| Vallisneria annua | 2 | 2011 | 49 |
| Vallisneria rubra | 2 | 2011 | 49 |
| Maidenia rubra | 2 | 2011 | 49 |
| Dr. Surrey Jacobs | 2 | 2011 | 49 |
| Clare Herscovitch | 2 | 2011 | 49 |
| Cryptocoryne dewitii | 2 | 2011 | 52 |
| Paul Katik | 2 | 2011 | 52 |
| Niels Jacobsen | 2 | 2011 | 52 |
| Takashige Idei | 2 | 2011 | 52 |
| European Cryptocoryne Society | 2 | 2011 | 52 |
| Jan D. Bastmeijer | 2 | 2011 | 52 |
| Heimtier-Messe Hannover | 2 | 2011 | 58 |
| Die Kunst der Pflanzen-Aquarien – The Art of the Planted Aquarium | 2 | 2011 | 58 |
| Aquascaping | 2 | 2011 | 58 |
| Marcel Dykierek | 2 | 2011 | 58 |
| Brüder Logemann | 2 | 2011 | 58 |
| Oliver Krause | 2 | 2011 | 58 |
| Tobias Fricke | 2 | 2011 | 58 |
| Victor Mihai | 2 | 2011 | 58 |
| Chris Helemann | 2 | 2011 | 58 |
| Jens Helemann | 2 | 2011 | 58 |
| Oliver Knott | 2 | 2011 | 58 |
| David Stas | 2 | 2011 | 58 |
| Jan-Simon Knispel | 2 | 2011 | 58 |
| Annika Reinke | 2 | 2011 | 58 |
| Manuela Sabirsch | 2 | 2011 | 58 |
| Jessica Lindner | 2 | 2011 | 58 |
| Garnelenchampionat | 2 | 2011 | 59 |
| VDA-Arbeitskreis Wirbellose in Binnengewässern (AKWB) | 2 | 2011 | 59 |
| Nano-Wettbewerb | 2 | 2011 | 59 |
| Glossostigma | 2 | 2011 | 59 |
| Utricularia graminifolia | 2 | 2011 | 59 |
| Didiplis | 2 | 2011 | 59 |
| Staurogyne repens | 2 | 2011 | 59 |
| Heteranthera | 2 | 2011 | 59 |
| Pogostemon | 2 | 2011 | 59 |
| Rotala | 2 | 2011 | 59 |
| Farnprothallien | 2 | 2011 | 59 |
| Glossostigma elatinoides | 2 | 2011 | 59 |
| Riccardia | 2 | 2011 | 59 |
| Lilaeopsis | 2 | 2011 | 59 |
| Ole Pedersen | 2 | 2011 | 60 |
| Roland Strößner | 2 | 2011 | 60 |
| Bartlomiej Lipczynski | 2 | 2011 | 60 |
| Filipe Oliveira | 2 | 2011 | 60 |
| Nano-Aquarien | 2 | 2011 | 60 |
| Riccia | 2 | 2011 | 61 |
| Eleocharis | 2 | 2011 | 62 |
| Cryptocoryne | 2 | 2011 | 62 |
| Hygrophila pinnatifida | 2 | 2011 | 62 |
| Anubias barteri | 2 | 2011 | 62 |
| Blyxa | 2 | 2011 | 62 |
| Hemianthus callitrichoides | 2 | 2011 | 63 |
| Najas | 2 | 2011 | 63 |
| Bolbitis heudelotii | 2 | 2011 | 63 |
| Javafarn | 2 | 2011 | 63 |
| Microsorum pteropus | 2 | 2011 | 63 |
| Hemianthus | 2 | 2011 | 63 |
| Hemianthus micranthemoides | 2 | 2011 | 63 |
| Pogostemon helferi | 2 | 2011 | 64 |
| Fissidens | 2 | 2011 | 64 |
| Pogostemon stellatus | 2 | 2011 | 64 |
| Mayaca | 2 | 2011 | 64 |
| Eleocharis parvula | 2 | 2011 | 65 |
| Lomariopsis lineata | 2 | 2011 | 65 |
| Ammannia gracilis | 2 | 2011 | 66 |
| Rotala rotundifolia | 2 | 2011 | 66 |
| Limnophila | 2 | 2011 | 66 |
| Ludwigia | 2 | 2011 | 66 |
| Alternanthera reineckii | 2 | 2011 | 66 |
| Hygrophila difformis | 2 | 2011 | 66 |
| Nesaea pedicellata | 2 | 2011 | 66 |
| Cryptocoryne pontederiifolia | 2 | 2011 | 66 |
| Cryptocoryne wendtii | 2 | 2011 | 66 |
| Crinum calamistratum | 2 | 2011 | 66 |
| Barclaya longifolia | 2 | 2011 | 66 |
| Riccardia graeffei | 2 | 2011 | 66 |
| Harald Soßna | 2 | 2011 | 67 |
| Brigitte Fronert | 2 | 2011 | 67 |
| European Cryptocoryne Society | 2 | 2011 | 68 |
| Kopenhagen | 2 | 2011 | 68 |
| Niels Jacobsen | 2 | 2011 | 68 |
| Cryptocorynen | 2 | 2011 | 68 |
| Cryptocoryne crispatula | 2 | 2011 | 68 |
| Jan Bastmeijer | 2 | 2011 | 68 |
| Cryptocoryne Loeiensis | 2 | 2011 | 69 |
| Maike Wilstermann-Hildebrand | 2 | 2011 | 70 |
| Uwe Mierendorf | 2 | 2011 | 70 |
| Becherkultur | 2 | 2011 | 70 |
| Walter-Methode | 2 | 2011 | 70 |
| Klaus Müller de Beek | 2 | 2011 | 70 |
| Günter Oberjatzas | 2 | 2011 | 70 |
| Swen und Anne Buerschaper | 2 | 2011 | 70 |
| Christel Kasselmann | 2 | 2011 | 71 |
| Dr. Stefan Hetz | 2 | 2011 | 71 |
| Detlef Kühling | 2 | 2011 | 71 |
| Pogostemon helferi | 2 | 2011 | 72 |
| Cryptocoryne crispatula var. crispatula | 2 | 2011 | 72 |
| Hygrophila corymbosa | 2 | 2011 | 72 |
| Ottelia cordata | 2 | 2011 | 72 |
| Scheibenblumen | 2 | 2011 | 72 |
| Cyclanthaceae | 2 | 2011 | 72 |
| Cyclanthus bipartitus | 2 | 2011 | 72 |
| Dicranopygium atrovirens | 2 | 2011 | 72 |
| Eleocharis | 2 | 2011 | 72 |
| Cyperaceae | 2 | 2011 | 72 |
| Barclaya longifolia | 2 | 2011 | 72 |
| Cryptocoryne cordata | 2 | 2011 | 72 |
| Cryptocoryne albida | 2 | 2011 | 72 |
| Utricularia | 2 | 2011 | 72 |
| Blyxa | 2 | 2011 | 72 |
| Eriocaulon | 2 | 2011 | 72 |
| Cryptocoryne crispatula | 2 | 2011 | 72 |
| Barclaya longifolia | 2 | 2011 | 72 |
| Hygrophila | 2 | 2011 | 72 |
| Hydrilla verticillata | 2 | 2011 | 73 |
| Elodea | 2 | 2011 | 73 |
| Lagarosiphon | 2 | 2011 | 73 |
| Egeria | 2 | 2011 | 73 |
| Taxiphyllum taxirameum | 2 | 2011 | 73 |
| Vesicularia cf. montagnei | 2 | 2011 | 73 |
| Nymphaea | 2 | 2011 | 73 |
| Iris sibirica | 2 | 2011 | 73 |
| Sibirische Schwertlilie | 2 | 2011 | 73 |
| Nymphaea thermarum | 2 | 2011 | 73 |
| In-Vitro-Kultur | 2 | 2011 | 74 |
| Nitratfixierung | 2 | 2011 | 74 |
| Cyanobakterien | 2 | 2011 | 74 |
| Commelinaceae | 2 | 2011 | 74 |
| Lobelia dormanna | 2 | 2011 | 74 |
| Elatine | 2 | 2011 | 74 |
| Littorella uniflora | 2 | 2011 | 74 |
| Isoetes echinosperma | 2 | 2011 | 74 |
| Isoetes lacustris | 2 | 2011 | 74 |
| Vallisneria rubra | 2 | 2011 | 74 |
| Vallisneria triptera | 2 | 2011 | 74 |
| Vallisneria caulescens | 2 | 2011 | 74 |
| Limnophila australis | 2 | 2011 | 74 |
| Limnophila browni | 2 | 2011 | 74 |
| Limnophila chinensis | 2 | 2011 | 74 |
| Myriophyllum muricatum | 2 | 2011 | 74 |
| Ondinea | 2 | 2011 | 74 |
| Ottelia | 2 | 2011 | 74 |
| Pogostemon | 2 | 2011 | 74 |
| Aponogeton distachyos | 2 | 2011 | 75 |
| Nuphar lutea | 2 | 2011 | 75 |
| Nymphoides peltata | 2 | 2011 | 75 |
| Polygonum amphibium | 2 | 2011 | 75 |
| Hydrocharis morsus-ranae | 2 | 2011 | 75 |
| Galerucella nymphaea | 2 | 2011 | 75 |
| Donacia clavipes | 2 | 2011 | 75 |
| Rhopalosiphum nymphaeae | 2 | 2011 | 75 |
| Nymphula nymphaeata | 2 | 2011 | 75 |
| Lymnaea stagnalis | 2 | 2011 | 75 |
| Cryptocoryne cordata var. grabowski | 2 | 2011 | 75 |
| Cryptocoryne cordata var. siamensis | 2 | 2011 | 75 |
| Cryptocoryne kerrii | 2 | 2011 | 75 |
| Cryptocoryne blassi | 2 | 2011 | 75 |
| Cryptocoryne siamensis Gagnep. var. ewansii | 2 | 2011 | 75 |
| Cryptocoryne loeiensis | 2 | 2011 | 75 |
| Cryptocoryne cruddasiana | 2 | 2011 | 75 |
| Thailändische Hakenlilie | 3 | 2011 | 84 |
| Crinum thaianum | 3 | 2011 | 84 |
| Amaryllidaceae | 3 | 2011 | 84 |
| Crinum calamistratum | 3 | 2011 | 84 |
| Aquatic-Center Kiev | 3 | 2011 | 84 |
| Loricoariidae | 3 | 2011 | 85 |
| Cryptocorynen | 3 | 2011 | 85 |
| Brutzwiebeln | 3 | 2011 | 86 |
| Zwiebeln | 3 | 2011 | 86 |
| Perigonröhre | 3 | 2011 | 87 |
| Perigonblätter | 3 | 2011 | 87 |
| Pistill | 3 | 2011 | 87 |
| Cryptocoryne nevillii | 3 | 2011 | 90 |
| Cryptocoryne xwillisii | 3 | 2011 | 90 |
| Dan H. Nicolson | 3 | 2011 | 91 |
| Smithsonian Institution | 3 | 2011 | 91 |
| Batticaloa | 3 | 2011 | 91 |
| Ampara | 3 | 2011 | 91 |
| Hinguima | 3 | 2011 | 91 |
| Ekgalara | 3 | 2011 | 91 |
| Borassus flabellifer | 3 | 2011 | 91 |
| Anubias | 3 | 2011 | 96 |
| Anubias afzelii | 3 | 2011 | 96 |
| Araceae | 3 | 2011 | 97 |
| Anubias barteri | 3 | 2011 | 97 |
| Nitidulidae | 3 | 2011 | 99 |
| Scarabaeidae | 3 | 2011 | 99 |
| Utricularia gibba | 3 | 2011 | 104 |
| Zwergwasserschlauch | 3 | 2011 | 104 |
| Fleischfressenden Pflanzen | 3 | 2011 | 104 |
| Utricularia vulgaris | 3 | 2011 | 105 |
| Utricularia intermedia | 3 | 2011 | 105 |
| Utricularia minor | 3 | 2011 | 105 |
| Utricularia sp. | 3 | 2011 | 105 |
| Utricularia longifolia | 3 | 2011 | 106 |
| Lentibulariaceae | 3 | 2011 | 109 |
| Wasserpflanzengärtnerei | 3 | 2011 | 110 |
| Nymphaea | 3 | 2011 | 110 |
| Golden Leaf Farm | 3 | 2011 | 112 |
| Echinodorus-Hybriden | 3 | 2011 | 112 |
| Echinodorus ‚Hadi Red Pearl‘ | 3 | 2011 | 112 |
| Echinodorus ‚Dragon Red‘ | 3 | 2011 | 112 |
| Echinodorus ‚Joyo Super Red‘ | 3 | 2011 | 112 |
| Echinodorus ‚ INA‘ | 3 | 2011 | 112 |
| Echinodorus ‚Bromo‘ | 3 | 2011 | 112 |
| Echinodorus ‚Ida Bright Star‘ | 3 | 2011 | 112 |
| Javafarn ‚Trident Suwidiyi‘ | 3 | 2011 | 112 |
| Cryptocoryne aponogetifolia | 3 | 2011 | 112 |
| Raphiden | 3 | 2011 | 112 |
| Cryptocoryne wendtii | 3 | 2011 | 112 |
| Perlenmoos | 3 | 2011 | 112 |
| Flachmoos | 3 | 2011 | 113 |
| Rundblättriges Quellmoos | 3 | 2011 | 113 |
| Homalia | 3 | 2011 | 113 |
| Chiloscyphus | 3 | 2011 | 113 |
| Blepharostoma trichophyllum | 3 | 2011 | 113 |
| Heteroscyphus zollingeri | 3 | 2011 | 113 |
| Lophocoleaceae | 3 | 2011 | 113 |
| Jungermannia spec. | 3 | 2011 | 113 |
| Solenostoma tetragonum | 3 | 2011 | 113 |
| Ranunculus papulentus | 3 | 2011 | 113 |
| Nymphaea colorata | 3 | 2011 | 113 |
| Seerose | 3 | 2011 | 113 |
| Tigerlotus | 3 | 2011 | 113 |
| Nymphaea lotus | 3 | 2011 | 113 |
| Blaue Nilseerose | 3 | 2011 | 113 |
| Farbige Seerose | 3 | 2011 | 113 |
| Nymphaea ‚Midnight‘ | 3 | 2011 | 113 |
| Nymphaea ‚Director T. Moore‘ | 3 | 2011 | 113 |
| Tausendblatt | 3 | 2011 | 114 |
| Myriophyllum tetrandrum | 3 | 2011 | 114 |
| Asplenium cf. normale | 3 | 2011 | 114 |
| Cryptocoryne sp. „Yellow Ring“, | 4 | 2011 | 124 |
| Cryptocoryne cordata | 4 | 2011 | 124 |
| Cryptocoryne ciliata | 4 | 2011 | 126 |
| Cryptocoryne affinis | 4 | 2011 | 126 |
| Cryptocoryne griffithii | 4 | 2011 | 126 |
| Cryptocoryne nurii | 4 | 2011 | 126 |
| Cryptocoryne xpurpurea | 4 | 2011 | 126 |
| Naturhybride | 4 | 2011 | 126 |
| Myriophyllum aquaticum | 4 | 2011 | 128 |
| Myriophyllum aquaticum var. santacatarinense | 4 | 2011 | 128 |
| Rio Canoas | 4 | 2011 | 128 |
| Myriophyllum brasiliense | 4 | 2011 | 128 |
| Santa-Catarina-Tausendblatt | 4 | 2011 | 131 |
| Kalmus | 4 | 2011 | 134 |
| Acorus L. | 4 | 2011 | 134 |
| Acorus calamus L. | 4 | 2011 | 134 |
| Acorus gramineus | 4 | 2011 | 134 |
| Rhizoma calami | 4 | 2011 | 134 |
| Tinctura calami | 4 | 2011 | 134 |
| Extractum calami | 4 | 2011 | 134 |
| Sweet Flag | 4 | 2011 | 134 |
| Yellow Flag | 4 | 2011 | 134 |
| Iris pseudacorus L. | 4 | 2011 | 134 |
| Sumpf-Schwertlilie | 4 | 2011 | 134 |
| Acorus gramineus ‚Pusillus‘ | 4 | 2011 | 136 |
| Magenwurz | 4 | 2011 | 139 |
| Phragmites australis | 4 | 2011 | 140 |
| Calamus aromaticus | 4 | 2011 | 140 |
| Caltha palustris L. | 4 | 2011 | 141 |
| Sumpf-Dotterblume | 4 | 2011 | 141 |
| Lysichiton camtschatcenseis | 4 | 2011 | 141 |
| Lysichiton americanus | 4 | 2011 | 141 |
| Amerikanische Scheinkalla | 4 | 2011 | 141 |
| Primula rosea Royle | 4 | 2011 | 141 |
| Rosen-Primel | 4 | 2011 | 141 |
| Acorus gramineus Solander ex Aiton | 4 | 2011 | 141 |
| Gras-Kalmus | 4 | 2011 | 141 |
| Graskalmus | 4 | 2011 | 141 |
| Zwergkalmus | 4 | 2011 | 142 |
| Acorus gramineus ‚Albovariegatus` | 4 | 2011 | 142 |
| Acorus gramineus ‚Argenteostriatus‘ | 4 | 2011 | 142 |
| Acorus gramineus ‚Pusillus Minimus Aureus‘ | 4 | 2011 | 142 |
| Contarinia sp. | 4 | 2011 | 142 |
| Cecidomyiidae | 4 | 2011 | 142 |
| Acorus americanus | 4 | 2011 | 144 |
| Acorus calamus var. angustifolius | 4 | 2011 | 144 |
| Acorus heeri Berry | 4 | 2011 | 144 |
| Acorites heeri | 4 | 2011 | 144 |
| Acorus spitsbergensis | 4 | 2011 | 144 |
| Acorus brachystachys | 4 | 2011 | 146 |
| Nordenskioeldia borealis | 4 | 2011 | 146 |
| Acoropsis eximia | 4 | 2011 | 146 |
| Araceae | 4 | 2011 | 146 |
| Acoraceae | 4 | 2011 | 146 |
| Gymnostachys anceps | 4 | 2011 | 147 |
| Ludwigia „Atlantis“ | 4 | 2011 | 149 |
| Echinodorus | 4 | 2011 | 149 |
| Saururus cernuus | 4 | 2011 | 149 |
| Rorippa aquatica | 4 | 2011 | 149 |
| Hemianthus micranthemoides | 4 | 2011 | 149 |
| Ludwigia „Rubin“ | 4 | 2011 | 149 |
| Ludwigia repens x palustris | 4 | 2011 | 151 |
| Helanthium | 1 | 2012 | 4 |
| Alismataceae | 1 | 2012 | 4 |
| Schwertpflanzen | 1 | 2012 | 4 |
| Helanthium ‚Vesuvius‘ | 1 | 2012 | 4 |
| Alisma | 1 | 2012 | 4 |
| Sumpfblüte | 1 | 2012 | 4 |
| Sonnenblüte | 1 | 2012 | 4 |
| Helianthium | 1 | 2012 | 4 |
| Echinodorus | 1 | 2012 | 4 |
| Albidella nymphaeifolia | 1 | 2012 | 4 |
| Helanthium bolivianum | 1 | 2012 | 5 |
| Echinodorus nymphaeifolius | 1 | 2012 | 6 |
| Caldesia | 1 | 2012 | 6 |
| Albidella | 1 | 2012 | 6 |
| Alisma tenellum | 1 | 2012 | 6 |
| Alisma tenellum Mart. var. latifolium | 1 | 2012 | 6 |
| Echinodorus tenellus | 1 | 2012 | 6 |
| Echinodorus bolivianus | 1 | 2012 | 6 |
| Helanthium zombiense | 1 | 2012 | 7 |
| Helanthium tenellum | 1 | 2012 | 8 |
| Echinodorus tenellus ‚Micro‘ | 1 | 2012 | 8 |
| Echinodorus tenellus ‚Rot‘ | 1 | 2012 | 8 |
| Echinodorus tenellus „Regular“ | 1 | 2012 | 8 |
| Echinodorus latifolius | 1 | 2012 | 8 |
| Echinodorus quadricostatus | 1 | 2012 | 8 |
| Echinodorus angustifolius | 1 | 2012 | 8 |
| Lagenandra undulata | 1 | 2012 | 10 |
| Microsorum spec. | 1 | 2012 | 13 |
| Lagenandra gomezii | 1 | 2012 | 16 |
| Nymphaea minuta | 1 | 2012 | 19 |
| Pogostemon helferi | 1 | 2012 | 22 |
| Kleiner Stern | 1 | 2012 | 22 |
| Lippenblütler | 1 | 2012 | 22 |
| European Cryptocoryne Society | 1 | 2012 | 25 |
| Cryptocorynen | 1 | 2012 | 25 |
| Aponogeton | 1 | 2012 | 27 |
| Gerd Eggers | 1 | 2012 | 27 |
| Aponogeton eggersii | 1 | 2012 | 27 |
| Echinodorus (Alismataceae) | 2 | 2012 | 44 |
| Echinodorus reptilis | 2 | 2012 | 44 |
| Echinodorus paniculatus | 2 | 2012 | 46 |
| Echinodorus grandiflorus | 2 | 2012 | 46 |
| Echinodorus cordifolius | 2 | 2012 | 46 |
| Echinodorus uruguayensis | 2 | 2012 | 46 |
| Echinodorus gabrielii | 2 | 2012 | 46 |
| Echinodorus schlueteri | 2 | 2012 | 46 |
| Echinodorus aschersonianus | 2 | 2012 | 47 |
| Echinodorus emersus | 2 | 2012 | 47 |
| Echinodorus macrophyllus | 2 | 2012 | 47 |
| Echinodorus scaber | 2 | 2012 | 47 |
| Cryptocoryne (Araceae) | 2 | 2012 | 50 |
| Cryptocoryne alba | 2 | 2012 | 50 |
| Cryptocoryne thwaitesii | 2 | 2012 | 50 |
| Cryptocoryne bogneri | 2 | 2012 | 50 |
| Lagenandra | 2 | 2012 | 50 |
| Cryptocoryne waseri | 2 | 2012 | 52 |
| Lagenandra praetermissa | 2 | 2012 | 55 |
| Fagus sylvatica | 2 | 2012 | 55 |
| Rotbuche | 2 | 2012 | 55 |
| Aquascaping | 2 | 2012 | 60 |
| Takashi Amano | 2 | 2012 | 60 |
| Die Kunst der Pflanzen-Aquarien – The Art of the Planted Aquarium | 2 | 2012 | 60 |
| Utricularia graminifolia | 2 | 2012 | 65 |
| Hemianthus callitrichoides | 2 | 2012 | 66 |
| Pogostemon helferi | 2 | 2012 | 66 |
| Staurogyne repens | 2 | 2012 | 66 |
| Fissidens fontanus | 2 | 2012 | 66 |
| Hygrophila pinnatifida | 2 | 2012 | 66 |
| Lomariopsis lineata | 2 | 2012 | 66 |
| Blyxa japonica | 2 | 2012 | 67 |
| Eleocharis pusilla | 2 | 2012 | 67 |
| Pogostemon erectus | 2 | 2012 | 67 |
| Hygrophila lancea | 2 | 2012 | 67 |
| Bucephalandra motleyana | 2 | 2012 | 67 |
| Hydrocotyle tripartita | 2 | 2012 | 67 |
| Ammannia | 2 | 2012 | 67 |
| Rotala | 2 | 2012 | 67 |
| Limnophila | 2 | 2012 | 67 |
| Ludwigia | 2 | 2012 | 67 |
| Alternanthera | 2 | 2012 | 67 |
| Glossostigma elatinoides | 2 | 2012 | 68 |
| Flame-Moos | 2 | 2012 | 68 |
| Bonsai-Anubias | 2 | 2012 | 68 |
| Riccardia graeffei | 2 | 2012 | 68 |
| Echinodorus ‚Rubin‘ | 2 | 2012 | 69 |
| Shinnersia rivularis | 2 | 2012 | 69 |
| Alternanthera reineckii | 2 | 2012 | 69 |
| Riesenseerose | 2 | 2012 | 70 |
| Victoria amazonica | 2 | 2012 | 70 |
| Victoria cruziana | 2 | 2012 | 70 |
| Cabomba caroliniana | 2 | 2012 | 74 |
| Silbergrüne Cabomba“ | 2 | 2012 | 74 |
| Trichogaster lalius | 2 | 2012 | 75 |
| Puntius conchonius | 2 | 2012 | 75 |
| Pterophyllum scalare | 2 | 2012 | 75 |
| Echinodorus barthii | 2 | 2012 | 76 |
| Echinodorus xbarthii | 2 | 2012 | 76 |
| Cryptocoryne vietnamensis | 2 | 2012 | 76 |
| Aponogeton madagascariensis | 2 | 2012 | 76 |
| Pogostemon erectus | 3 | 2012 | 88 |
| Eusteralis | 3 | 2012 | 88 |
| Ceratophyllum | 3 | 2012 | 89 |
| Rotala verticillaris | 3 | 2012 | 90 |
| Lamiaceae | 3 | 2012 | 90 |
| Barclaya longifolia | 3 | 2012 | 93 |
| Crinum thaianum | 3 | 2012 | 94 |
| Cryptocoryne cordata var. Cordata | 3 | 2012 | 94 |
| Cryptocoryne cordata var. siamensis ‘Rosanervig‘ | 3 | 2012 | 94 |
| Epipremnum aureum | 3 | 2012 | 94 |
| Poecilia endleri | 3 | 2012 | 94 |
| Sturisomatichthys foerschi | 3 | 2012 | 94 |
| Echinodorus | 3 | 2012 | 96 |
| Helanthium bolivianum | 3 | 2012 | 97 |
| Caldesia | 3 | 2012 | 98 |
| Echinodorus berteroi | 3 | 2012 | 99 |
| Echinodorus horizontalis | 3 | 2012 | 99 |
| Echinodorus longipetalus | 3 | 2012 | 99 |
| Echinodorus uruguayensis | 3 | 2012 | 99 |
| Echinodorus grandiflorus | 3 | 2012 | 99 |
| Echinodorus cordifolius | 3 | 2012 | 99 |
| Echinodorus tunicatus | 3 | 2012 | 100 |
| Echinodorus osiris | 3 | 2012 | 101 |
| Echinodorus gabrielii | 3 | 2012 | 101 |
| Altum-Skalare | 3 | 2012 | 102 |
| Pterophyllum altum | 3 | 2012 | 102 |
| Microsorum pteropus | 3 | 2012 | 102 |
| Vallisneria „Tiger“ | 3 | 2012 | 102 |
| Bacopa caroliniana | 3 | 2012 | 102 |
| Bacopa monnieri | 3 | 2012 | 102 |
| Vallisneria nana | 3 | 2012 | 102 |
| Echinodorus parviflorus ‘Tropica‘ | 3 | 2012 | 102 |
| Hornkraut | 3 | 2012 | 102 |
| Ceratophyllum demersum | 3 | 2012 | 102 |
| Vesicularia dubayana | 3 | 2012 | 103 |
| Cyanobakterien | 3 | 2012 | 105 |
| blaue Schmieralgen | 3 | 2012 | 105 |
| Echinodorus uruguayensis var. Minor | 3 | 2012 | 106 |
| Poecilia gillii | 3 | 2012 | 107 |
| Xiphophorus alvarezi | 3 | 2012 | 107 |
| Echinodorus uruguayensis var. minor | 3 | 2012 | 111 |
| Nesaea praetermissa | 4 | 2012 | 128 |
| Nesaea crassicaulis | 4 | 2012 | 128 |
| Nesaea pedicellata | 4 | 2012 | 128 |
| Nesaea triflora | 4 | 2012 | 128 |
| Nesaea sp. | 4 | 2012 | 128 |
| Ammannia gracilis | 4 | 2012 | 133 |
| Cryptocoryne scurrilis | 4 | 2012 | 135 |
| Cryptocoryne bangkaensis | 4 | 2012 | 135 |
| Fagus sylvatica | 4 | 2012 | 139 |
| Cryptocoryne nurii | 4 | 2012 | 142 |
| Cryptocoryne cordata | 4 | 2012 | 143 |
| Crinum erubescens | 4 | 2012 | 144 |
| Crinum natans | 4 | 2012 | 144 |
| Crinum calamistratum | 4 | 2012 | 144 |
| Crinum thaianum | 4 | 2012 | 144 |
| Anubias | 4 | 2012 | 144 |
| Crinum purpuráscens | 4 | 2012 | 144 |
| Spathiphyllum cannifolium | 4 | 2012 | 145 |
| Phyllanthus fluitans | 4 | 2012 | 146 |
| Euphorbiaceae | 4 | 2012 | 146 |
| Phyllanthus acidus | 4 | 2012 | 146 |
| Phyllanthus leonardianus | 4 | 2012 | 146 |
| Diasperus fluitans | 4 | 2012 | 146 |
| Salvinia minima | 4 | 2012 | 146 |
| Lemna minor | 4 | 2012 | 146 |
| Pistia | 4 | 2012 | 147 |
| Lysimachia nummularia | 1 | 2013 | 4 |
| Lysimachia vulgaris | 1 | 2013 | 7 |
| Nummularia repens | 1 | 2013 | 8 |
| Lysimachia rotundifolia | 1 | 2013 | 8 |
| Nesaea praetermissa | 1 | 2013 | 9 |
| Ammannia praetermissa | 1 | 2013 | 9 |
| Hionanthera | 1 | 2013 | 9 |
| Lagenandra bogneri | 1 | 2013 | 10 |
| Cryptocoryne bogneri | 1 | 2013 | 10 |
| Fagus sylvatica | 1 | 2013 | 14 |
| Lagenandra koenigii | 1 | 2013 | 14 |
| Lagenandra thwaitesii | 1 | 2013 | 14 |
| Lagenandra nairii | 1 | 2013 | 14 |
| Lagenandra meeboldii | 1 | 2013 | 14 |
| Lagenandra ovata | 1 | 2013 | 14 |
| Lagenandra praetermissa | 1 | 2013 | 14 |
| Filipendula ulmaria | 1 | 2013 | 18 |
| Eupatorium cannabinum | 1 | 2013 | 18 |
| Silene floscuculi | 1 | 2013 | 18 |
| Ranunculus lingua | 1 | 2013 | 18 |
| Mädesüß | 1 | 2013 | 18 |
| Wasserdost | 1 | 2013 | 18 |
| Kuckucks-Lichtnelke | 1 | 2013 | 18 |
| Zungenhahnenfuß | 1 | 2013 | 18 |
| Gelben Wiesenraute | 1 | 2013 | 18 |
| Thalictrum flavum | 1 | 2013 | 18 |
| Thalictrum polygamum | 1 | 2013 | 18 |
| Thalictrum lucidum | 1 | 2013 | 18 |
| Thalictrum delavayi | 1 | 2013 | 19 |
| Thalictrum aquilegiifolium | 1 | 2013 | 19 |
| Talictrum speciosissimum | 1 | 2013 | 19 |
| Thalictrum speciosissimum | 1 | 2013 | 20 |
| Hydrotriche hottoniiflora | 1 | 2013 | 22 |
| Cyanobakterien | 1 | 2013 | 24 |
| Blaualgen | 1 | 2013 | 24 |
| Didiplis diandra | 1 | 2013 | 26 |
| Wasserhecke | 1 | 2013 | 26 |
| Rotala | 1 | 2013 | 26 |
| Ammannia | 1 | 2013 | 26 |
| Peplis diandra | 1 | 2013 | 27 |
| Didiplis linearis | 1 | 2013 | 27 |
| Hypobrichia nuttallii | 1 | 2013 | 27 |
| Ptilina aquatica | 1 | 2013 | 27 |
| Ammannia nuttallii | 1 | 2013 | 27 |
| Cryptocoryne wendtii | 1 | 2013 | 29 |
| Rotala macrandra | 2 | 2013 | 44 |
| Lobelia cardinalis | 2 | 2013 | 44 |
| Ameletia rotundifolia | 2 | 2013 | 44 |
| Rotala verticillaris | 2 | 2013 | 44 |
| Rotala rotundifolia | 2 | 2013 | 45 |
| Alternanthera | 2 | 2013 | 46 |
| Bacopa | 2 | 2013 | 46 |
| Hygrophila | 2 | 2013 | 46 |
| Ludwigia | 2 | 2013 | 46 |
| Rotala wallichii | 2 | 2013 | 46 |
| Cabomba | 2 | 2013 | 50 |
| Limnophila | 2 | 2013 | 50 |
| Bolbitis | 2 | 2013 | 50 |
| Echinodorus | 2 | 2013 | 50 |
| Aponogeton crispus | 2 | 2013 | 50 |
| Aponogeton ulvaceus | 2 | 2013 | 50 |
| Anubias | 2 | 2013 | 50 |
| Cryptocoryne | 2 | 2013 | 50 |
| Hygrophila difformis | 2 | 2013 | 50 |
| Caridina multidentata | 2 | 2013 | 51 |
| Takashi Amano | 2 | 2013 | 51 |
| Caridina | 2 | 2013 | 52 |
| Neocaridina | 2 | 2013 | 52 |
| Caridina cf. cantonensis | 2 | 2013 | 53 |
| Krebsschere | 2 | 2013 | 55 |
| Stratiotes aloides | 2 | 2013 | 55 |
| Aquascaping | 2 | 2013 | 62 |
| Hemianthus callitrichoides | 2 | 2013 | 62 |
| Hemianthus micranthemoides | 2 | 2013 | 62 |
| Riccardia | 2 | 2013 | 62 |
| Bucephalandra motleyana | 2 | 2013 | 62 |
| Rotala sp. | 2 | 2013 | 62 |
| Pogostemon erectus | 2 | 2013 | 62 |
| Anubias barteri var. nana ‘Bonsai‘ | 2 | 2013 | 62 |
| Nadelsimse | 2 | 2013 | 63 |
| Eleocharis | 2 | 2013 | 63 |
| Hygrophila pinnatifida | 2 | 2013 | 63 |
| Hydrocotyle cf. tripartita | 2 | 2013 | 64 |
| Bonsai-Anubias | 2 | 2013 | 66 |
| Helianthum tenellum | 2 | 2013 | 66 |
| Alternanthera reineckii | 2 | 2013 | 67 |
| Cryptocoryne | 2 | 2013 | 67 |
| Marsilea | 2 | 2013 | 67 |
| Aponogeton eggersii | 2 | 2013 | 75 |
| Cryptocoryne ferruginea | 3 | 2013 | 84 |
| Cryptocoryne ferruginea var. sekadauensis | 3 | 2013 | 85 |
| Cryptocoryne fusca | 3 | 2013 | 88 |
| Cryptocoryne ferruginea var. ferruginea | 3 | 2013 | 89 |
| Cryptocoryne ideii | 3 | 2013 | 91 |
| Cryptocoryne bullosa | 3 | 2013 | 95 |
| Cryptocoryne wendtii | 3 | 2013 | 95 |
| Cryptocoryne pygmaea | 3 | 2013 | 96 |
| Cryptocoryne usteriana | 3 | 2013 | 96 |
| Cryptocoryne aponogetifolia | 3 | 2013 | 96 |
| Ceratophyllum demersum | 3 | 2013 | 97 |
| Ceratophyllum submersum | 3 | 2013 | 97 |
| Ceratophyllum platyacanthum ssp. oryzetorum | 3 | 2013 | 98 |
| Ceratophyllum platyacanthum ssp. platyacanthum | 3 | 2013 | 98 |
| Ceratophyllum echinatum | 3 | 2013 | 98 |
| Ceratophyllum tanaiticum | 3 | 2013 | 98 |
| Ceratophyllum muricatum ssp. muricatum | 3 | 2013 | 98 |
| Ceratophyllum muricatum ssp. kossinskyi | 3 | 2013 | 98 |
| Ceratophyllum muricatum ssp. australe | 3 | 2013 | 98 |
| Vallisneria spiralis | 3 | 2013 | 101 |
| Lagenandra undulata | 3 | 2013 | 101 |
| Hygroryza aristata | 3 | 2013 | 101 |
| Piptospatha | 3 | 2013 | 101 |
| Cryptocoryne minima | 3 | 2013 | 102 |
| Crinum | 3 | 2013 | 102 |
| Vallisneria | 3 | 2013 | 102 |
| Krebsscheren | 3 | 2013 | 112 |
| Stratiotes aloides | 3 | 2013 | 112 |
| Pistia stratiotes | 4 | 2013 | 124 |
| Neocaridina | 4 | 2013 | 125 |
| Melanoides tuberculatus | 4 | 2013 | 125 |
| Amatitlania nigrofasciata | 4 | 2013 | 125 |
| Vallisneria spiralis | 4 | 2013 | 125 |
| Lemna minor | 4 | 2013 | 127 |
| Wasserlinsen | 4 | 2013 | 127 |
| Neophyten | 4 | 2013 | 127 |
| Poecilia reticulata | 4 | 2013 | 127 |
| Guppy | 4 | 2013 | 127 |
| Hottonia inflata | 4 | 2013 | 128 |
| Primelgewächse | 4 | 2013 | 128 |
| Primulaceae | 4 | 2013 | 128 |
| Amerikanische Wasserfeder | 4 | 2013 | 128 |
| Hottonia palustris | 4 | 2013 | 131 |
| Cryptocoryne albida | 4 | 2013 | 133 |
| Cryptocoryne cordata | 4 | 2013 | 133 |
| Cryptocoryne crispatula | 4 | 2013 | 133 |
| Caldesia parnassifolia | 4 | 2013 | 136 |
| Alisma parnassifolium | 4 | 2013 | 136 |
| Echinodorus parnassifolius | 4 | 2013 | 136 |
| Herzlöffel | 4 | 2013 | 137 |
| Wasserorchidee | 4 | 2013 | 139 |
| Spiranthes odorata | 4 | 2013 | 139 |
| brasilianisches Tausendblatt | 4 | 2013 | 139 |
| Myriophyllum aquaticum | 4 | 2013 | 139 |
| goldgelber Wasserschlauch | 4 | 2013 | 139 |
| Utricularia aurea | 4 | 2013 | 139 |
| Cryptocoryne spiralis | 4 | 2013 | 141 |
| Cryptocoryne retrospiralis | 4 | 2013 | 141 |
| Cryptocoryne consobrina | 4 | 2013 | 141 |
| Cryptocoryne spiralis var. caudigera | 4 | 2013 | 141 |
| Cryptocoryne spiralis var. huegelii | 4 | 2013 | 143 |
| Cryptocoryne spiralis var. Spiralis | 4 | 2013 | 145 |
| Cryptocoryne tortuosa | 4 | 2013 | 146 |
| Cryptocoryne tambraparaniana | 4 | 2013 | 148 |
| Haloragaceae | 1 | 2014 | 4 |
| Seebeerengewächse | 1 | 2014 | 4 |
| Myriophyllum mezianum | 1 | 2014 | 4 |
| Myriophyllum mattogrossense | 1 | 2014 | 4 |
| Utricularia | 1 | 2014 | 4 |
| Proserpinaca pectinata | 1 | 2014 | 5 |
| Proserpinaca palustris | 1 | 2014 | 7 |
| Myriophyllum aquaticum | 1 | 2014 | 7 |
| Myriophyllum verticillatum | 1 | 2014 | 8 |
| Myriophyllum spicatum | 1 | 2014 | 8 |
| Myriophyllum alterniflorum | 1 | 2014 | 8 |
| Typhonodorum lindleyanum | 1 | 2014 | 8 |
| Pandanus platyphyllus | 1 | 2014 | 8 |
| Myriophyllum mezianum. | 1 | 2014 | 8 |
| Schwanenblume | 1 | 2014 | 11 |
| Butomus umbellatus | 1 | 2014 | 11 |
| Nasturtium officinale | 1 | 2014 | 14 |
| Glyceria maxima | 1 | 2014 | 14 |
| Stratiotes aloides | 1 | 2014 | 14 |
| Brunnenkresse | 1 | 2014 | 14 |
| Wasserschwaden | 1 | 2014 | 14 |
| Bachbunge | 1 | 2014 | 14 |
| Veronica beccabunga. | 1 | 2014 | 14 |
| Krebsschere | 1 | 2014 | 14 |
| Fagus sylvatica | 1 | 2014 | 16 |
| Barclaya rotundifolia | 1 | 2014 | 16 |
| Cryptocoryne zukalii | 1 | 2014 | 16 |
| Barclaya motleyi | 1 | 2014 | 16 |
| Cryptocoryne xpurpurea | 1 | 2014 | 16 |
| Cryptocoryne cordata var. grabowskii | 1 | 2014 | 18 |
| Cryptocoryne cordata Griff. var. grabowskii | 1 | 2014 | 20 |
| Cryptocoryne cordata Griff. var. diderici | 1 | 2014 | 20 |
| Cryptocoryne longicauda | 1 | 2014 | 20 |
| Cryptocoryne bangkaensis | 1 | 2014 | 20 |
| Cryptocoryne griffithii | 1 | 2014 | 20 |
| Cryptocoryne minima | 1 | 2014 | 20 |
| Cryptocoryne schulzei | 1 | 2014 | 20 |
| Cryptocoryne scurrilis | 1 | 2014 | 20 |
| Cryptocoryne nurii | 1 | 2014 | 20 |
| Cryptocoryne pallidinervia | 1 | 2014 | 20 |
| Cryptocoryne striolata | 1 | 2014 | 20 |
| Cryptocoryne thwaitesii | 1 | 2014 | 20 |
| Cryptocoryne xpurpurea Ridl. nothovar. purpurea | 1 | 2014 | 20 |
| Cryptocoryne xpurpurea nothovar. borneoensis | 1 | 2014 | 20 |
| Cryptocoryne cordata var. cordata | 1 | 2014 | 20 |
| Mayaca fluviatilis | 1 | 2014 | 21 |
| Utricularia gibba | 1 | 2014 | 21 |
| Tanzmücken Chironomidae | 1 | 2014 | 25 |
| Schokoladenguramis Sphaerichthys osphromenoides | 1 | 2014 | 25 |
| Keilfleckbärblinge Trigonostigma heteromorpha | 1 | 2014 | 25 |
| Dornaugen Pangio kuhlii | 1 | 2014 | 25 |
| Laubmoos Physcomitrella patens | 1 | 2014 | 26 |
| Cryptocoryne „Platinum“ | 1 | 2014 | 27 |
| Cryptocoryne nurii | 1 | 2014 | 27 |
| Cryptocoryne elliptica | 1 | 2014 | 27 |
| Cryptocoryne willisii | 1 | 2014 | 27 |
| Cryptocoryne striolata | 1 | 2014 | 27 |
| Cryptocoryne nevillii | 1 | 2014 | 27 |
| Vallisneria americana | 1 | 2014 | 32 |
| Wassersalat (Pistia stratiotes) | 2 | 2014 | 45 |
| Lotosblume (Nelumbo nucifera) | 2 | 2014 | 45 |
| Donau-Gründling (Gobio obtusirostris) | 2 | 2014 | 45 |
| Goldfisch (Carassius auratus) | 2 | 2014 | 45 |
| Seefrosch (Pelophylax ridibundus) | 2 | 2014 | 45 |
| Ringelnatter (Natrix natrix) | 2 | 2014 | 45 |
| Würfelnatter (Natrix tessellata) | 2 | 2014 | 45 |
| Amerikanische Schmuckschiildkröten (Trachemys scripta elegans) | 2 | 2014 | 45 |
| Amerikanische Schmuckschiildkröten (Trachemys scripta scripta) | 2 | 2014 | 45 |
| Schilf (Phragmites australis) | 2 | 2014 | 47 |
| Wasserlinse (Lemna minor) | 2 | 2014 | 47 |
| Rotscheren-Flusskrebs (Cherax quadricarinatus) | 2 | 2014 | 47 |
| Oreochromis niloticus | 2 | 2014 | 47 |
| Silurus glanis | 2 | 2014 | 47 |
| Ukelei (Alburnus alburnus) | 2 | 2014 | 48 |
| Karausche (Carassius carassius) | 2 | 2014 | 48 |
| Bitterling (Rhodeus amarus) | 2 | 2014 | 48 |
| Aland (Leuciscus idus) | 2 | 2014 | 48 |
| Döbel (Squalius cephalus [Leuciscus cephalus]) | 2 | 2014 | 48 |
| Donau-Dornsteinbeißer (Cobitis elongatoides) | 2 | 2014 | 48 |
| Amerikanischer Sonnenbarsch (Lepomis gibbosus) | 2 | 2014 | 48 |
| Cryptocoryne wendtii | 2 | 2014 | 49 |
| Sumpfkrautes (Hygrophila polysperma) | 2 | 2014 | 49 |
| Mexikanischen Eichenblatts (Shinnersia rivularis) | 2 | 2014 | 49 |
| Hygrophila polysperma | 2 | 2014 | 49 |
| Vallisneria spiralis | 2 | 2014 | 49 |
| Ludwigia sp. | 2 | 2014 | 50 |
| Teichlebermooses (Riccia fluitans) | 2 | 2014 | 50 |
| Cryptocoryne crispatula | 2 | 2014 | 50 |
| Quellmoos (Fontinalis antipyretica) | 2 | 2014 | 50 |
| Schmuck-Buntbarsch (Hemichromis guttatus) | 2 | 2014 | 51 |
| Ancistrus | 2 | 2014 | 51 |
| Amatitlania | 2 | 2014 | 51 |
| Barbus barbus | 2 | 2014 | 51 |
| Malaysische Turmdeckelschnecken (Melanoides tuberculatus) | 2 | 2014 | 51 |
| Roter Florida-Sumpfkrebs (Procambarus clarkii) | 2 | 2014 | 51 |
| Europäischer Frauenschuh (Cypripedium calceolus) | 2 | 2014 | 52 |
| Phragmipedium klotzschianum | 2 | 2014 | 52 |
| Sobralia stenophylla | 2 | 2014 | 53 |
| Phragmipedium pearcei | 2 | 2014 | 53 |
| Phragmipedium hirtzii ‘Wössen‘ | 2 | 2014 | 53 |
| Phragmipedium hirtzii ‘Fox Valley‘. | 2 | 2014 | 53 |
| Phragmipedium longifolium | 2 | 2014 | 57 |
| Phragmipedium besseae | 2 | 2014 | 58 |
| Falscher Wasserfreund (Gymnocoronis spilanthoides) | 2 | 2014 | 61 |
| Gymnocoronis spilanthoides ‚Rotstängelig‘ | 2 | 2014 | 61 |
| Cryptocoryne matakensis | 2 | 2014 | 64 |
| Cryptocoryne bullosa | 2 | 2014 | 64 |
| Cryptocoryne auriculata | 2 | 2014 | 64 |
| Cryptocoryne cordata | 2 | 2014 | 68 |
| Rotbuche Fagus sylvatica | 2 | 2014 | 68 |
| Blauweiderich | 2 | 2014 | 72 |
| Hühnerbiss | 2 | 2014 | 72 |
| Federgras | 2 | 2014 | 72 |
| Steppen-Waldrebe | 2 | 2014 | 72 |
| Dunkle Akelei | 2 | 2014 | 72 |
| Lavendelweide | 2 | 2014 | 72 |
| Halsbandschnäpper | 2 | 2014 | 72 |
| Blaukehlchen | 2 | 2014 | 72 |
| Moorfrosch | 2 | 2014 | 72 |
| Vogel-Azurjungfer | 2 | 2014 | 72 |
| Becherglocke | 2 | 2014 | 72 |
| Glanz-Wolfsmilch | 2 | 2014 | 72 |
| Sumpf-Gladiole | 2 | 2014 | 73 |
| Grauscheidige Federgras | 2 | 2014 | 73 |
| Hundswurz | 2 | 2014 | 73 |
| Knoblauch-Gamander | 2 | 2014 | 73 |
| Gottesgnadenkraut | 2 | 2014 | 73 |
| Nechamandra alternifolia | 3 | 2014 | 84 |
| Blyxa | 3 | 2014 | 84 |
| Nechamandra alternifolia subsp. Angustifolia | 3 | 2014 | 84 |
| Blyxa vietii | 3 | 2014 | 85 |
| Blyxa cf. Vietii | 3 | 2014 | 85 |
| Ottelia alismoides | 3 | 2014 | 89 |
| Utricularia gibba | 3 | 2014 | 89 |
| Trichogaster trichopterus | 3 | 2014 | 89 |
| Trichopsis vittata | 3 | 2014 | 90 |
| Rasbora borapetensis | 3 | 2014 | 90 |
| Vallisneria alternifolia | 3 | 2014 | 91 |
| Cryptocoryne nurii ‚Platinum‘ | 3 | 2014 | 93 |
| Cryptocoryne cordata ‚Rosanervig‘ | 3 | 2014 | 93 |
| Cryptocoryne minima | 3 | 2014 | 97 |
| Cryptocoryne spiralis | 3 | 2014 | 97 |
| Wasserfalle (Aldrovanda vesiculosa) | 3 | 2014 | 98 |
| Wasserschläuche (Utricularia) | 3 | 2014 | 98 |
| Anubias | 3 | 2014 | 99 |
| Cryptocoryne | 3 | 2014 | 99 |
| Igelkolben (Sparganium emersum) | 3 | 2014 | 101 |
| Gewöhnlicher Wasserschlauch (Utricularia vulgaris) | 3 | 2014 | 102 |
| Pfeilkraut (Sagittaria sagittifolia) | 3 | 2014 | 102 |
| Sphaerocaryum malaccense | 3 | 2014 | 105 |
| Gras (Poaceae/Gramineae) | 3 | 2014 | 105 |
| Arthraxon sp. „Malaysia“ | 3 | 2014 | 105 |
| Commelinaceae | 3 | 2014 | 105 |
| Anubias | 3 | 2014 | 107 |
| Bolbitis | 3 | 2014 | 107 |
| Cryptocoryne | 3 | 2014 | 107 |
| Crinum | 3 | 2014 | 107 |
| Echinodorus | 3 | 2014 | 107 |
| Hygrophila | 3 | 2014 | 107 |
| Schlauchpflanzen (Sarracenia) | 4 | 2014 | 124 |
| Dionaea muscipula | 4 | 2014 | 124 |
| Utricularia longifolia | 4 | 2014 | 124 |
| Tropische Kannenpflanze (Nepenthes sp.) | 4 | 2014 | 127 |
| Sonnentau (Drosera sp.) | 4 | 2014 | 127 |
| Fettkraut (Pinguicula sp.) | 4 | 2014 | 127 |
| Wasserschlauch (Utricularia sp.) | 4 | 2014 | 127 |
| Genlisea | 4 | 2014 | 127 |
| Sumpfkrug (Heliamphora sp.) | 4 | 2014 | 127 |
| Genlisea hispidula | 4 | 2014 | 128 |
| Sarracenia purpurea | 4 | 2014 | 129 |
| Sphagnum-Moos | 4 | 2014 | 130 |
| Sarracenia flava | 4 | 2014 | 131 |
| Sarracenia psittacina | 4 | 2014 | 131 |
| Sarracenia flava var. Ornata | 4 | 2014 | 131 |
| Sarracenia leucophylla | 4 | 2014 | 131 |
| Sarracenia alata | 4 | 2014 | 131 |
| Philodendron | 4 | 2014 | 136 |
| Hygrophila | 4 | 2014 | 138 |
| Vallisneria | 4 | 2014 | 138 |
| Echinodorus schlueteri | 4 | 2014 | 140 |
| Echinodorus maculatus | 4 | 2014 | 140 |
| Echinodorus tocantinensis | 4 | 2014 | 140 |
| Echinodorus reptilis | 4 | 2014 | 142 |
| Echinodorus aschersonianus | 4 | 2014 | 142 |
| Echinodorus uruguayensis | 4 | 2014 | 143 |
| Echinodorus ×barthii | 4 | 2014 | 144 |
| Echinodorus horemanii Rataj „Red“ | 4 | 2014 | 145 |
| Echinodorus sp. South Brazil | 4 | 2014 | 146 |
| Lindernia rotundifolia | 4 | 2014 | 147 |
| Micranthemum | 4 | 2014 | 147 |
| Hemianthus callitrichoides | 4 | 2014 | 147 |
| Hemianthus micranthemoides | 4 | 2014 | 147 |
| Ilysanthes | 4 | 2014 | 147 |
| Lindernia parviflora | 4 | 2014 | 147 |
| Lindernia microcalyx | 4 | 2014 | 147 |
| Lindernia pariflora ‚Variegrated‘ | 4 | 2014 | 148 |
| Micrantthemum umbrosum | 4 | 2014 | 148 |
| Micranthemum micranthemoides | 4 | 2014 | 148 |
| Micranthemum callitrichoides | 4 | 2014 | 148 |
| Silberweide | 4 | 2014 | 149 |
| Schwertlilien (Iris pseudacorus) | 4 | 2014 | 150 |
| Sumpfgladiolen (Gladiolus palustris) | 4 | 2014 | 150 |
| Seeadler | 4 | 2014 | 151 |
| Heckrinder | 4 | 2014 | 151 |
| Bacopa egensis | 1 | 2015 | 4 |
| Trapa natans | 1 | 2015 | 4 |
| Hydranthelium egense | 1 | 2015 | 7 |
| Bacopa lanigera | 1 | 2015 | 7 |
| Carex elata ‚Aurea‘ | 1 | 2015 | 9 |
| Carex elata ‚Bowles Golden‘ | 1 | 2015 | 10 |
| Carex elata ‚Knigthshayes‘ | 1 | 2015 | 10 |
| Hionanthera | 1 | 2015 | 12 |
| Nesaea crassicaulis | 1 | 2015 | 12 |
| Ammannia praetermissa | 1 | 2015 | 12 |
| Nesaea pedicellata | 1 | 2015 | 12 |
| Nesaea. triflora | 1 | 2015 | 12 |
| Nesaea praetermissa | 1 | 2015 | 12 |
| Ammannia crassicaulis | 1 | 2015 | 12 |
| Nesaea crasscicaulis | 1 | 2015 | 12 |
| Ammannia senegalensis | 1 | 2015 | 15 |
| Nesaea ondongana | 1 | 2015 | 15 |
| Ammannia capitellata | 1 | 2015 | 15 |
| Nesaea triflora | 1 | 2015 | 15 |
| Ammannia pedicellata | 1 | 2015 | 15 |
| Shinnersia rivularis | 1 | 2015 | 18 |
| Nasturtium officinale | 1 | 2015 | 19 |
| Hygrophila polysperma | 1 | 2015 | 19 |
| Cryptocoryne wendtii | 1 | 2015 | 19 |
| Lathrum salicaria | 1 | 2015 | 19 |
| Pistia stratiotes | 1 | 2015 | 19 |
| Lythrum salicaria | 1 | 2015 | 19 |
| Minze, Mentha sp. | 1 | 2015 | 19 |
| Hydrocotyle sp. | 1 | 2015 | 19 |
| Hemichromis | 1 | 2015 | 19 |
| Aponogeton boivianus | 1 | 2015 | 24 |
| Aponogeton ulvaceus | 1 | 2015 | 24 |
| Aponogeton longiplumulosus | 1 | 2015 | 24 |
| Aponogeton gottlebei | 1 | 2015 | 24 |
| Aponogeton capuronii | 1 | 2015 | 24 |
| Aponogeton madagascariensis | 1 | 2015 | 24 |
| Cryptocoryne crispatula | 1 | 2015 | 28 |
| Cryptocoryne annamica | 1 | 2015 | 34 |
| Cryptocoryne cognata | 1 | 2015 | 34 |
| Cryptocoryne hudoroi | 1 | 2015 | 34 |
| Cryptocoryne coronata | 1 | 2015 | 34 |
| Nymphaea ‚Kerstin‘ | 1 | 2015 | 35 |
| Lotos (Nelumbo nucifera) | 1 | 2015 | 35 |
| Wasserhyazinthen (Eichhornia crassipes) | 1 | 2015 | 35 |
| Kalmus (Acorus calamus) | 1 | 2015 | 35 |
| Weinrebe, Passiflora | 2 | 2015 | 44 |
| merikanische Scheinkalla (Lysichiton americanus) | 2 | 2015 | 44 |
| Makroalge Aegagropila linnaei | 2 | 2015 | 47 |
| Rhizomnium magnifolium | 2 | 2015 | 47 |
| Plagiomnium sp. | 2 | 2015 | 48 |
| Aegagropila linnaei | 2 | 2015 | 50 |
| Myriophyllum sp. | 2 | 2015 | 50 |
| Cyanabakterium Nostoc sp. | 2 | 2015 | 51 |
| Cladophora glomerata | 2 | 2015 | 52 |
| Fieberklee (Menyanthes trifoliata) | 2 | 2015 | 52 |
| Wollgrases (Eriophorum angustifolium) | 2 | 2015 | 52 |
| Potamogeton perfoliatus | 2 | 2015 | 53 |
| Potamogeton praelongus | 2 | 2015 | 53 |
| Blutauge (Comarum palustre) | 2 | 2015 | 53 |
| Cryptocoryne affinis | 2 | 2015 | 54 |
| Hemianthus callitrichoides | 2 | 2015 | 59 |
| Ludwigia arcuata | 2 | 2015 | 61 |
| Ludwigia brevipes | 2 | 2015 | 61 |
| Staurogyne repens | 2 | 2015 | 61 |
| Utricularia graminifolia | 2 | 2015 | 61 |
| Hygrophila pinnatifida | 2 | 2015 | 61 |
| Glossostigma elatinoides | 2 | 2015 | 61 |
| Didiplis diandra | 2 | 2015 | 61 |
| Monosolenium tenerum | 2 | 2015 | 61 |
| Pogostomon erectus | 2 | 2015 | 61 |
| Eleocharis (Nadelsimse) | 2 | 2015 | 61 |
| Ranunculus | 2 | 2015 | 63 |
| Anubias | 2 | 2015 | 63 |
| Javafarn ‘Trident‘ | 2 | 2015 | 63 |
| Bolbitis heudelotii | 2 | 2015 | 63 |
| Hygrophila lancea | 2 | 2015 | 64 |
| Echinodorus bolivianus | 2 | 2015 | 64 |
| Anubias ‘Bonsai‘ | 2 | 2015 | 64 |
| Pogostemon helferi | 2 | 2015 | 66 |
| Cryptocoryne x willisii | 2 | 2015 | 66 |
| Lobelia cardinalis | 2 | 2015 | 66 |
| Rotala | 2 | 2015 | 66 |
| Quellmoos (Fontinalis) | 2 | 2015 | 66 |
| Bucephalandra motleyana | 2 | 2015 | 66 |
| Fissidens | 2 | 2015 | 66 |
| Sagittaria subulata | 2 | 2015 | 69 |
| Echinodorus ‘Rubin‘ | 2 | 2015 | 69 |
| Ludwigia repens | 2 | 2015 | 69 |
| Eichhornia azurea | 2 | 2015 | 69 |
| Shinnersia rivularis | 2 | 2015 | 69 |
| Ludwigia | 2 | 2015 | 69 |
| Hemianthus micranthemoides | 2 | 2015 | 69 |
| Hydrocotyle tripartita | 2 | 2015 | 70 |
| Chamaegigas intrepidus | 3 | 2015 | 84 |
| Scrophulariacee | 3 | 2015 | 84 |
| Limosella grandiflora | 3 | 2015 | 85 |
| Craterostigma plantagineum | 3 | 2015 | 86 |
| Xerophyta humilis | 3 | 2015 | 86 |
| Eragrostis nindensis | 3 | 2015 | 86 |
| Exormotheca bulbigena | 3 | 2015 | 86 |
| Riccia angolensis | 3 | 2015 | 86 |
| Riccia atropurpurea | 3 | 2015 | 86 |
| Riccia crinita | 3 | 2015 | 86 |
| Riccia nigrella | 3 | 2015 | 86 |
| Riccia okahandiana | 3 | 2015 | 86 |
| Riccia rosea | 3 | 2015 | 86 |
| Riccia runssoriensis | 3 | 2015 | 86 |
| Echinodorus | 3 | 2015 | 90 |
| Cryptocoryne crispatula var. Balansae | 3 | 2015 | 92 |
| Acorus gramineus | 3 | 2015 | 92 |
| Cryptocoryne crispatula (Araceae) | 3 | 2015 | 93 |
| Cryptocoryne crispatula var. Balansae | 3 | 2015 | 93 |
| Cryptocoryne crispatula var. tonkinensis | 3 | 2015 | 93 |
| Vallisneria cf. natans | 3 | 2015 | 95 |
| Acorus gramineus | 3 | 2015 | 95 |
| Schoenoplectus sp | 3 | 2015 | 96 |
| Utricularia sp. | 3 | 2015 | 96 |
| Ottelia cf. acuminata | 3 | 2015 | 96 |
| Ottelia cf. Acuminata var. Acuminata | 3 | 2015 | 101 |
| Cryptocoryne noritoi | 3 | 2015 | 105 |
| Cryptocoryne elliptica | 3 | 2015 | 106 |
| Lagenandra meeboldii | 3 | 2015 | 106 |
| Aponogeton boivinianus, | 3 | 2015 | 110 |
| Aponogeton decaryi | 3 | 2015 | 110 |
| Aponogeton longiplumulosus | 3 | 2015 | 110 |
| Aponogeton madagascariensis | 3 | 2015 | 110 |
| Aponogeton ulvaceus | 3 | 2015 | 110 |
| Aponogeton crispus | 3 | 2015 | 111 |
| Aponogeton gottlebei | 3 | 2015 | 111 |
| Aponogeton boivinianus | 3 | 2015 | 111 |
| Aponogeton capuronii | 3 | 2015 | 111 |
| Algen | 1 | 1976 | 7 |
| Algen | 2 | 1976 | 7 |
| Bartalgen | 2 | 1976 | 6 |
| Bestimmung | 1 | 1976 | 8 |
| Bestimmung | 2 | 1976 | 9 |
| Bestimmung | 3 | 1976 | 10 |
| Blaualgen | 1 | 1976 | 7 |
| Bodengrund | 3 | 1976 | 7 |
| Cryptocoryne | 3 | 1976 | 4 |
| Cryptocoryne balansae | 2 | 1976 | 7 |
| Cryptocoryne petchii | 3 | 1976 | 5 |
| Cryptocoryne purpurea | 3 | 1976 | 4 |
| Cryptocoryne sulphurea | 3 | 1976 | 4 |
| Cryptocoryne walkeri | 3 | 1976 | 4 |
| Cryptocorynengewässer | 1 | 1976 | 5 |
| Cryptocorynengewässer | 2 | 1976 | 4 |
| Cryptocorynengewässer | 3 | 1976 | 5 |
| Einheimische Wasserpflanzen | 1 | 1976 | 10 |
| Einheimische Wasserpflanzen | 2 | 1976 | 3 |
| Einheimische Wasserpflanzen | 3 | 1976 | 8 |
| Grünalgen | 1 | 1976 | 8 |
| Kieselalgen | 1 | 1976 | 7 |
| Licht | 1 | 1976 | 4 |
| Licht | 2 | 1976 | 7 |
| Liebhaberei | 3 | 1976 | 9 |
| Lindernia microcalyx | 3 | 1976 | 2 |
| Lindernia spec. | 1 | 1976 | 2 |
| Nesaea crassicaulis | 3 | 1976 | 9 |
| Nymphaea lotus | 3 | 1976 | 2 |
| Nymphoides peltata | 2 | 1976 | 3 |
| Photosynthese | 1 | 1976 | 4 |
| Pinselalge | 2 | 1976 | 5 |
| Rotalgen | 1 | 1976 | 6 |
| Algen | 2 | 1977 | 4 |
| Aponogeton | 1 | 1977 | 8 |
| Aponogeton | 2 | 1977 | 5 |
| Aponogeton echinatus | 2 | 1977 | 7 |
| Araceae | 3 | 1977 | 4 |
| Bepflanzung | 3 | 1977 | 8 |
| Bestimmung | 1 | 1977 | 10 |
| Bestimmung | 2 | 1977 | 11 |
| Bodengrund | 2 | 1977 | 5 |
| Chromosomen | 2 | 1977 | 4 |
| Cryptocoryne | 1 | 1977 | 3 |
| Cryptocoryne | 1 | 1977 | 8 |
| Cryptocoryne | 2 | 1977 | 3 |
| Cryptocoryne | 4 | 1977 | 3 |
| Cryptocoryne Iutea | 1 | 1977 | 9 |
| Cryptocoryne nevillii | 4 | 1977 | 6 |
| Cryptocoryne petchii | 1 | 1977 | 9 |
| Cryptocoryne undulata | 4 | 1977 | 7 |
| Cryptocoryne willisii | 4 | 1977 | 7 |
| Echinodorus major | 4 | 1977 | 11 |
| Elodea nuttallii | 3 | 1977 | 7 |
| Heteranthera zosterifolia | 2 | 1977 | 9 |
| Hydrocharis morsus-ranae | 1 | 1977 | 11 |
| Hydrocharitaceae | 3 | 1977 | 7 |
| Hydrothrix gardneri | 2 | 1977 | 6 |
| Jasarum stbyermarkii | 3 | 1977 | 4 |
| Jasarum stbyermarkii | 4 | 1977 | 15 |
| Malawi-Aquarium | 2 | 1977 | 9 |
| Murashige & Skoog | 1 | 1977 | 3 |
| Murashige & Skoog | 2 | 1977 | 3 |
| Nährboden | 1 | 1977 | 3 |
| Nährboden | 2 | 1977 | 3 |
| Nymphaea alba | 4 | 1977 | 8 |
| Ottelia mesenterium | 1 | 1977 | 7 |
| Spiranthes cernua | 3 | 1977 | 13 |
| Tigerlotus | 2 | 1977 | 8 |
| Umweltschutz – Fauna – Flora | 3 | 1977 | 3 |
| Utricularia | 4 | 1977 | 17 |
| Vitro-Kultur | 1 | 1977 | 3 |
| Vitro-Kultur | 2 | 1977 | 3 |
| Anthocyan | 2 | 1978 | 4 |
| Baldellia ranunculoides | 4 | 1978 | 133 |
| Bartalgen | 1 | 1978 | 8 |
| Cryptocoryne | 1 | 1978 | 3 |
| Cryptocoryne | 4 | 1978 | 9 |
| Didiplis diandra | 2 | 1978 | 11 |
| Durchlüftungssystem | 4 | 1978 | 5 |
| Eichhornia crassipes | 1 | 1978 | 17 |
| Eichhornia diversifolia | 4 | 1978 | 3 |
| Eichhornia natans | 4 | 1978 | 3 |
| Heteranthera zosterifolia | 4 | 1978 | 3 |
| Kohlensäure | 1 | 1978 | 12 |
| Kohlensäure | 4 | 1978 | 7 |
| Lagenandra | 1 | 1978 | 4 |
| Lagenandra | 3 | 1978 | 3 |
| Lagenandra blassii | 3 | 1978 | 4 |
| Lagenandra bogneri | 3 | 1978 | 3 |
| Lagenandra erosa | 3 | 1978 | 4 |
| Lagenandra insignis | 3 | 1978 | 3 |
| Lagenandra schulzei | 3 | 1978 | 4 |
| Lagenandra undulata | 3 | 1978 | 4 |
| Lemna gibba | 2 | 1978 | 4 |
| Lemna minor | 2 | 1978 | 4 |
| Licht | 2 | 1978 | 2 |
| Lobelia cardinalis | 2 | 1978 | 1 |
| Lobelia cardinalis | 3 | 1978 | 9 |
| Murashige & Skoog | 1 | 1978 | 3 |
| Myriophyllum spicatum | 2 | 1978 | 3 |
| Nährboden | 1 | 1978 | 3 |
| Photosynthese | 2 | 1978 | 2 |
| Pistia stratiotes | 1 | 1978 | 1 |
| Redoxpotential | 2 | 1978 | 12 |
| Redoxpotential | 3 | 1978 | 11 |
| Redoxpotential | 4 | 1978 | 11 |
| Spirodela polyrhiza | 2 | 1978 | 4 |
| Vitro-Kultur | 1 | 1978 | 3 |
| Wasser allgemein | 1 | 1978 | 3 |
| Alternanthera rosaefolia | 1 | 1979 | 9 |
| Aponogeton | 3 | 1979 | 7 |
| Aponogetonschlüssel | 3 | 1979 | 7 |
| Barclaya Iongifolia | 1 | 1979 | 7 |
| Barclaya Iongifolia | 3 | 1979 | 1 |
| Betonung | 2 | 1979 | 12 |
| Bodengrund | 1 | 1979 | 8 |
| Cabomba caroliniana | 4 | 1979 | 13 |
| Ceratophyllum demersum | 4 | 1979 | 13 |
| Cryptocoryne | 4 | 1979 | 8 |
| Cryptocoryne blassii | 1 | 1979 | 3 |
| Cryptocoryne moehlmannii | 4 | 1979 | 9 |
| Cryptocoryne „rosanervis“ | 1 | 1979 | 3 |
| Cryptocoryne siamensis | 1 | 1979 | 3 |
| Cryptocoryne siamensis | 1 | 1979 | 7 |
| Dysophylla verticillata | 4 | 1979 | 3 |
| Echinodorus cordifolius | 1 | 1979 | 15 |
| Echinodorus horizontalis | 2 | 1979 | 7 |
| Echinodorus horizontalis | 3 | 1979 | 3 |
| Echinodorus macrophyllus | 3 | 1979 | 3 |
| Echinodorus muricatus | 2 | 1979 | 7 |
| Echinodorus muricatus | 3 | 1979 | 3 |
| Echinodorus quadricostatus var. xinguensis | 2 | 1979 | 9 |
| Echinodorus scaber | 3 | 1979 | 3 |
| Echinodorus tunicatus | 2 | 1979 | 7 |
| Echinodorus tunicatus | 3 | 1979 | 3 |
| Eichhornia diversifolia | 1 | 1979 | 2 |
| Eichhornia diversifolia | 2 | 1979 | 3 |
| Elodea canadensis | 2 | 1979 | 5 |
| Filter, biologisch | 2 | 1979 | 8 |
| Heteranthera zosterifolia | 2 | 1979 | 3 |
| Hygrophila corymbosa | 3 | 1979 | 9 |
| Hygrophila difformis | 3 | 1979 | 3 |
| lsoetes malinverniana | 4 | 1979 | 5 |
| Javamoos | 3 | 1979 | 13 |
| Leitbündel | 1 | 1979 | 4 |
| Myriophyllum spicatum | 1 | 1979 | 6 |
| Myriophyllum spicatum | 4 | 1979 | 12 |
| Nährstoffgehalt | 1 | 1979 | 7 |
| Namenwirrwarr | 4 | 1979 | 8 |
| Radioaktivitätsnachweismethoden | 3 | 1979 | 6 |
| Synnema triflorum | 3 | 1979 | 3 |
| Vesicularia dubyana | 3 | 1979 | 13 |
| Amauriella | 3 | 1980 | 2 |
| Anubias | 3 | 1980 | 3 |
| Anubias | 4 | 1980 | 2 |
| Aponogeton eberhardtii | 4 | 1980 | 17 |
| Aponogeton robinsonii | 4 | 1980 | 17 |
| Araceae | 2 | 1980 | 3 |
| Araceae | 3 | 1980 | 2 |
| Bakterien | 3 | 1980 | 11 |
| Ceratophyllum demersum | 4 | 1980 | 11 |
| Chromosomen | 4 | 1980 | 8 |
| Crassula | 1 | 1980 | 16 |
| Cryptocoryne | 1 | 1980 | 7 |
| Cryptocoryne | 2 | 1980 | 11 |
| Cryptocoryne | 3 | 1980 | 8 |
| Cryptocoryne affinis | 2 | 1980 | 11 |
| Cryptocoryne axelrodii | 1 | 1980 | 8 |
| Cryptocoryne lingua | 2 | 1980 | 11 |
| Cryptocoryne pontederiifolia | 4 | 1980 | 15 |
| Cryptocoryne purpurea | 2 | 1980 | 1 |
| Cryptocoryne „rosanervis“ | 3 | 1980 | 14 |
| Cryptocoryne undulata | 1 | 1980 | 7 |
| Cryptocoryne versteegii | 2 | 1980 | 11 |
| Cryptocoryne wendtii | 1 | 1980 | 7 |
| Cryptocoryne willisii | 1 | 1980 | 7 |
| Durchflußaquarium | 2 | 1980 | 16 |
| Dysophylla verticillata | 1 | 1980 | 7 |
| Echinodorus | 4 | 1980 | 8 |
| Eisendüngung | 3 | 1980 | 12 |
| Eusteralis stellata | 1 | 1980 | 6 |
| Heteranthera zosterifolia | 1 | 1980 | 1 |
| Heteranthera zosterifolia | 4 | 1980 | 25 |
| Hydrocotyle Ieucocephala | 1 | 1980 | 11 |
| Hydrocotyle verticillata | 2 | 1980 | 5 |
| Hydrocotyle vulgaris | 2 | 1980 | 5 |
| lsoetes malinverniana | 1 | 1980 | 7 |
| lsoetes malinverniana | 3 | 1980 | 9 |
| Lewatit HD 5 | 3 | 1980 | 13 |
| Malawi-Aquarium | 2 | 1980 | 16 |
| Murashige & Skoog | 1 | 1980 | 8 |
| Myriophyllum exalbescens | 1 | 1980 | 6 |
| Myriophyllum spicatum | 2 | 1980 | 13 |
| Nährboden | 1 | 1980 | 8 |
| Namenwirrwarr | 1 | 1980 | 7 |
| Natürlicher Standort | 3 | 1980 | 7 |
| Phosphat | 1 | 1980 | 4 |
| Pinselalge | 1 | 1980 | 16 |
| Potamogeton chloratus | 2 | 1980 | 13 |
| Potamogeton gayi | 1 | 1980 | 3 |
| Sagittaria | 4 | 1980 | 3 |
| Sagittaria graminea | 4 | 1980 | 4 |
| Sagittaria subulata | 4 | 1980 | 4 |
| Sagittaria subulata var. pusilla | 2 | 1980 | 9 |
| Stickstoff | 2 | 1980 | 13 |
| Stickstoff | 4 | 1980 | 10 |
| Trapa natans | 3 | 1980 | 7 |
| Trapa natans | 4 | 1980 | 20 |
| Utricularia aurea | 4 | 1980 | 4 |
| Vietnam | 4 | 1980 | 17 |
| Vitro-Kultur | 1 | 1980 | 8 |
| Zostera marina | 1 | 1980 | 4 |
| Zostera marina | 2 | 1980 | 14 |
| Zosterella dubia | 4 | 1980 | 23 |
| Algen | 1 | 1981 | 21 |
| Algen | 3 | 1981 | 69 |
| Alisma | 3 | 1981 | 66 |
| Alisma lanceolatum | 3 | 1981 | 68 |
| Alisma plantago-aquatica | 3 | 1981 | 68 |
| Alismataceae | 2 | 1981 | 49 |
| Alismataceae | 3 | 1981 | 66 |
| Alismataceae | 4 | 1981 | 104 |
| Anubias | 1 | 1981 | 11 |
| Anubias afzelii | 1 | 1981 | 11 |
| Aponogeton natans | 1 | 1981 | 5 |
| Aponogeton stachyosporus | 1 | 1981 | 4 |
| Aponogeton ulvaceus | 1 | 1981 | 3 |
| Beleuchtung | 4 | 1981 | 103 |
| Bodengrund | 3 | 1981 | 75 |
| Bodengrund | 3 | 1981 | 62 |
| Bodenheizung | 2 | 1981 | 51 |
| Burnatia | 2 | 1981 | 50 |
| Burnatia enneandra | 2 | 1981 | 50 |
| Chromosomen | 1 | 1981 | 17 |
| Chromosomen | 3 | 1981 | 74 |
| Chromosomen | 4 | 1981 | 107 |
| Cryptocoryne | 1 | 1981 | 16 |
| Cryptocoryne | 2 | 1981 | 31 |
| Cryptocoryne | 3 | 1981 | 59 |
| Cryptocoryne | 3 | 1981 | 76 |
| Cryptocoryne | 4 | 1981 | 87 |
| Cryptocoryne | 4 | 1981 | 92 |
| Cryptocoryne | 4 | 1981 | 97 |
| Cryptocoryne auriculata | 4 | 1981 | 88 |
| Cryptocoryne axelrodii | 2 | 1981 | 32 |
| Cryptocoryne beckettii | 2 | 1981 | 31 |
| Cryptocoryne beckettii | 4 | 1981 | 92 |
| Cryptocoryne beckettii x C. lutea | 4 | 1981 | 92 |
| Cryptocoryne beckettii x C. parva | 2 | 1981 | 35 |
| Cryptocoryne ciliata | 4 | 1981 | 89 |
| Cryptocoryne grabowski | 3 | 1981 | 60 |
| Cryptocoryne lingua | 4 | 1981 | 87 |
| Cryptocoryne lucens | 4 | 1981 | 94 |
| Cryptocoryne Iutea | 4 | 1981 | 92 |
| Cryptocoryne nevillii | 2 | 1981 | 31 |
| Cryptocoryne parva | 2 | 1981 | 34 |
| Cryptocoryne undulata | 2 | 1981 | 31 |
| Cryptocoryne undulata | 4 | 1981 | 92 |
| Cryptocoryne villosa | 2 | 1981 | 38 |
| Cryptocoryne willisii | 2 | 1981 | 31 |
| Cryptocoryne x willisii | 2 | 1981 | 35 |
| Cryptocoryne x willisii | 4 | 1981 | 94 |
| Düngung | 2 | 1981 | 51 |
| Düngung | 3 | 1981 | 69 |
| Echinodorus | 3 | 1981 | 74 |
| Echinodorus | 2 | 1981 | 49 |
| Echinodorus | 4 | 1981 | 107 |
| Eisendüngung | 3 | 1981 | 69 |
| Emerse Kultur allgemein | 4 | 1981 | 97 |
| Holländisches Aquarium | 3 | 1981 | 74 |
| Holländisches Aquarium | 4 | 1981 | 102 |
| Kohlensäure | 2 | 1981 | 50 |
| Kohlensäure | 3 | 1981 | 62 |
| Kohlenstoff | 2 | 1981 | 43 |
| Kohlenstoff | 3 | 1981 | 62 |
| Leuchtstofflampen | 1 | 1981 | 15 |
| Lewatit HD 5 | 2 | 1981 | 52 |
| Licht | 1 | 1981 | 15 |
| Limnophyton angolense | 2 | 1981 | 49 |
| Limnophyton obtusifolius | 2 | 1981 | 49 |
| Ludwigia palustris x repens | 1 | 1981 | 13 |
| Microsorium pteropteris | 2 | 1981 | 41 |
| Museum | 3 | 1981 | 79 |
| Sagittaria graminea var. graminea | 3 | 1981 | 71 |
| Sagittaria subulata var. subulata | 4 | 1981 | 99 |
| Samolus parviflorus | 3 | 1981 | 64 |
| Samolus valerandi | 3 | 1981 | 64 |
| Technik | 4 | 1981 | 103 |
| Utricularia aurea | 1 | 1981 | 23 |
| Vallisneria | 1 | 1981 | 9 |
| Algen | 3 | 1982 | 8 |
| Algen | 3 | 1982 | 10 |
| Algen | 4 | 1982 | 15 |
| Aponogeton | 1 | 1982 | 15 |
| Aponogeton | 3 | 1982 | 18 |
| Aponogeton crispus | 1 | 1982 | 16 |
| Aponogeton jacobsenii | 3 | 1982 | 7 |
| Aponogeton madagascariensis | 1 | 1982 | 18 |
| Aquarium, offenes | 4 | 1982 | 3 |
| Barclaya Iongifolia | 3 | 1982 | 3 |
| Barclaya Iongifolia | 4 | 1982 | 6 |
| Bartalgen | 2 | 1982 | 11 |
| Beleuchtung | 4 | 1982 | 19 |
| Blaualgen | 1 | 1982 | 11 |
| Bodengrund | 1 | 1982 | 19 |
| Bodengrund | 3 | 1982 | 16 |
| Bolbitis heudelotii | 3 | 1982 | 12 |
| Cabomba schwartzii | 3 | 1982 | 12 |
| Cryptocoryne | 1 | 1982 | 3 |
| Cryptocoryne | 1 | 1982 | 6 |
| Cryptocoryne | 1 | 1982 | 15 |
| Cryptocoryne | 2 | 1982 | 7 |
| Cryptocoryne | 3 | 1982 | 18 |
| Cryptocoryne | 4 | 1982 | 18 |
| Cryptocoryne alba | 1 | 1982 | 7 |
| Cryptocoryne bullosa | 1 | 1982 | 3 |
| Cryptocoryne cordata | 1 | 1982 | 6 |
| Cryptocoryne egregia | 3 | 1982 | 15 |
| Cryptocoryne grabowski | 1 | 1982 | 9 |
| Cryptocoryne grandis | 1 | 1982 | 9 |
| Cryptocoryne siamensis | 3 | 1982 | 6 |
| Cryptocoryne striolata | 1 | 1982 | 3 |
| Cryptocoryne walkeri | 2 | 1982 | 3 |
| Dünger | 1 | 1982 | 19 |
| Dünger | 2 | 1982 | 11 |
| Düngung | 1 | 1982 | 19 |
| Echinodorus | 2 | 1982 | 15 |
| Echinodorus | 3 | 1982 | 20 |
| Echinodorus major | 3 | 1982 | 11 |
| Echinodorus opacus | 2 | 1982 | 13 |
| Eisen | 2 | 1982 | 19 |
| Eisendüngung | 2 | 1982 | 11 |
| Eusteralis stellata | 1 | 1982 | 13 |
| Eusteralis stellata | 2 | 1982 | 6 |
| Hydrocotyle verticillata | 4 | 1982 | 13 |
| Ilysanthes parviflora | 1 | 1982 | 19 |
| Ilysanthes parviflora | 2 | 1982 | 7 |
| Leitfähigkeit | 3 | 1982 | 18 |
| Limnobium | 4 | 1982 | 11 |
| Malawi-Pflanzen | 1 | 1982 | 8 |
| Malawi-Pflanzen | 3 | 1982 | 10 |
| Murashige & Skoog | 2 | 1982 | 3 |
| Nährboden | 2 | 1982 | 3 |
| Nährstoffe | 2 | 1982 | 7 |
| Nymphaea lotus | 3 | 1982 | 20 |
| Ökologie | 3 | 1982 | 6 |
| Phosphat | 2 | 1982 | 9 |
| Rotala wallichii | 3 | 1982 | 13 |
| Schwimmpflanzen allgemein | 2 | 1982 | 6 |
| Shinnersia rivularis | 4 | 1982 | 12 |
| Stickstoff | 2 | 1982 | 9 |
| Trichocoronis rivularis | 4 | 1982 | 12 |
| Vallisneria neotropicalis | 4 | 1982 | 10 |
| Vitro-Kultur | 2 | 1982 | 3 |
| Anubias | 4 | 1983 | 3 |
| Aquarium, perfektes | 3 | 1983 | 9 |
| Aquarium, perfektes | 4 | 1983 | 15 |
| Araceae | 4 | 1983 | 11 |
| Barclaya Iongifolia | 1 | 1983 | 3 |
| Beleuchtung | 2 | 1983 | 14 |
| Beleuchtung | 3 | 1983 | 15 |
| Calla palustris | 4 | 1983 | 11 |
| Calla palustris | 4 | 1983 | 13 |
| Cryptocoryne griffithii | 2 | 1983 | 7 |
| Cryptocoryne moehlmannii | 2 | 1983 | 6 |
| Cryptocoryne purpurea | 2 | 1983 | 7 |
| Cryptocoryne spiralis | 3 | 1983 | 13 |
| Cryptocoryne wendtii | 4 | 1983 | 10 |
| Echinodorus horizontalis | 1 | 1983 | 6 |
| Echinodorus horizontalis | 1 | 1983 | 12 |
| Gartenteich | 2 | 1983 | 3 |
| Hygrophila | 3 | 1983 | 7 |
| Hygrophila angustifolia | 1 | 1983 | 9 |
| Hygrophila balsamica | 3 | 1983 | 7 |
| Hygrophila difformis | 3 | 1983 | 7 |
| Justicia schimperi | 1 | 1983 | 7 |
| Leuchtstofflampen | 3 | 1983 | 15 |
| Licht | 2 | 1983 | 14 |
| Lichtfarbe | 3 | 1983 | 15 |
| Menyanthes trifoliata | 2 | 1983 | 3 |
| Nymphoides peltata | 2 | 1983 | 5 |
| Ökologie | 1 | 1983 | 11 |
| Ökologie | 1 | 1983 | 13 |
| Ökologie | 2 | 1983 | 17 |
| Pflanzensoziologie | 2 | 1983 | 17 |
| Pflanzensoziologie | 4 | 1983 | 8 |
| Phyllanthus fluitans | 3 | 1983 | 11 |
| Phyllanthus fluitans | 4 | 1983 | 7 |
| Phyllanthus leonardianus | 3 | 1983 | 5 |
| Phyllanthus leonardianus | 4 | 1983 | 7 |
| Saururus cernuus | 1 | 1983 | 14 |
| Shinnersia rivularis | 2 | 1983 | 8 |
| Shinnersia rivularis | 2 | 1983 | 11 |
| Soziologie | 2 | 1983 | 17 |
| Speicherwurzeln | 4 | 1983 | 10 |
| Spektralfarben | 3 | 1983 | 15 |
| Synnema triflorum | 3 | 1983 | 7 |
| Trichocoronis rivularis | 2 | 1983 | 8 |
| Trichocoronis rivularis | 2 | 1983 | 11 |
| Alismataceae | 4 | 1984 | 17 |
| Anubias | 1 | 1984 | 3 |
| Anubias | 2 | 1984 | 21 |
| Aponogeton | 3 | 1984 | 10 |
| Aponogeton bernierianus | 2 | 1984 | 10 |
| Aponogeton boivinianus | 2 | 1984 | 7 |
| Aponogeton boivinianus | 3 | 1984 | 11 |
| Aponogeton boivinianus x A. ulvaceus | 3 | 1984 | 10 |
| Aponogeton crispus | 1 | 1984 | 15 |
| Aponogeton crispus | 4 | 1984 | 22 |
| Aponogeton desertorum | 3 | 1984 | 11 |
| Aponogeton jacobsenii | 1 | 1984 | 14 |
| Aponogeton Iongiplumulosus | 2 | 1984 | 3 |
| Aponogeton madagascariensis | 3 | 1984 | 11 |
| Aponogeton monostachyus | 4 | 1984 | 25 |
| Aponogeton natans | 4 | 1984 | 25 |
| Aponogeton rehmannii | 3 | 1984 | 11 |
| Aponogeton-Hybriden | 3 | 1984 | 10 |
| Beleuchtung | 1 | 1984 | 9 |
| Beleuchtung | 4 | 1984 | 3 |
| Cryptocoryne | 2 | 1984 | 19 |
| Cryptocoryne | 3 | 1984 | 19 |
| Cryptocoryne | 4 | 1984 | 6 |
| Cryptocoryne alba | 1 | 1984 | 19 |
| Cryptocoryne aponogetifolia | 4 | 1984 | 7 |
| Cryptocoryne crispatula | 3 | 1984 | 19 |
| Cryptocoryne pygmaea | 3 | 1984 | 19 |
| Cryptocoryne spiralis | 1 | 1984 | 14 |
| Cryptocoryne thwaitesii | 1 | 1984 | 20 |
| Cryptocoryne undulata | 3 | 1984 | 15 |
| Cryptocoryne usteriana | 1 | 1984 | 11 |
| Cryptocoryne usteriana | 3 | 1984 | 19 |
| Cryptocoryne usteriana | 4 | 1984 | 7 |
| Cryptocoryne wendtii | 3 | 1984 | 15 |
| Cryptocoryne wendtii | 3 | 1984 | 17 |
| Cyperaceae | 3 | 1984 | 21 |
| Echinodorus africanus | 4 | 1984 | 17 |
| Echinodorus uruguayensis | 4 | 1984 | 20 |
| Egleria fluctuans | 3 | 1984 | 21 |
| Eleocharis | 3 | 1984 | 21 |
| Hygrophila difformis ‚Weiß-Grün‘ | 4 | 1984 | 6 |
| Jasarum stbyermarkii | 4 | 1984 | 15 |
| Licht | 1 | 1984 | 9 |
| Lichtfarbe | 1 | 1984 | 9 |
| Limnophyton angolense | 4 | 1984 | 19 |
| Limnophyton fluitans | 4 | 1984 | 17 |
| Limnophyton obtusifolius | 4 | 1984 | 19 |
| Morphologie | 3 | 1984 | 3 |
| Nymphaeaceae | 3 | 1984 | 9 |
| Ondinea purpurea | 3 | 1984 | 9 |
| Phyllanthus fluitans | 1 | 1984 | 13 |
| Phyllanthus fluitans | 2 | 1984 | 5 |
| Phyllanthus fluitans | 3 | 1984 | 15 |
| Phyllanthus fluitans | 4 | 1984 | 5 |
| Phyllanthus leonardianus | 1 | 1984 | 13 |
| Phyllanthus leonardianus | 3 | 1984 | 15 |
| Quecksilberdampflampen | 1 | 1984 | 9 |
| Salvinia auriculata | 2 | 1984 | 15 |
| Schwimmpflanzen allgemein | 2 | 1984 | 15 |
| Shinnersia rivularis | 3 | 1984 | 12 |
| Speicherwurzeln | 2 | 1984 | 18 |
| Trichocoronis rivularis | 3 | 1984 | 12 |
| Vietnam | 3 | 1984 | 19 |
| Wasserwechsel | 4 | 1984 | 4 |
| Acanthaceae | 3 | 1985 | 11 |
| Acanthaceae | 4 | 1985 | 5 |
| Acanthaceae | 4 | 1985 | 20 |
| Adventivsprosse | 4 | 1985 | 12 |
| Aldrovanda vesiculosa | 1 | 1985 | 23 |
| Aldrovanda vesiculosa | 4 | 1985 | 24 |
| Alisma gramineum | 1 | 1985 | 10 |
| Alisma lanceolatum | 1 | 1985 | 10 |
| Alisma plantago-aquatica | 1 | 1985 | 9 |
| Alisma plantago-aquatica | 1 | 1985 | 17 |
| Alismataceae | 1 | 1985 | 10 |
| Alismataceae | 1 | 1985 | 15 |
| Ancistrus buffonia | 4 | 1985 | 19 |
| Anubias afzelii | 4 | 1985 | 3 |
| Aponogeton boivinianus | 2 | 1985 | 24 |
| Aponogeton eberhardtii | 2 | 1985 | 22 |
| Aponogeton Iakhonensis | 2 | 1985 | 22 |
| Aponogeton robinsonii | 2 | 1985 | 21 |
| Aponogeton stachyosporus | 3 | 1985 | 24 |
| Aponogeton ulvaceus | 2 | 1985 | 24 |
| Aponogeton undulatus | 3 | 1985 | 21 |
| Ausläufer | 4 | 1985 | 12 |
| Beleuchtung | 1 | 1985 | 5 |
| Beleuchtung | 2 | 1985 | 10 |
| Blaualgen | 3 | 1985 | 10 |
| Bodengrund | 1 | 1985 | 3 |
| Bodengrund | 3 | 1985 | 8 |
| Bodengrund | 4 | 1985 | 22 |
| Cryptocoryne | 2 | 1985 | 3 |
| Cryptocoryne affinis | 1 | 1985 | 12 |
| Cryptocoryne bullosa | 1 | 1985 | 12 |
| Cryptocoryne consobrina | 2 | 1985 | 3 |
| Cryptocoryne cordata ‚Rosanervig‘ | 2 | 1985 | 12 |
| Cryptocoryne cordata | 2 | 1985 | 14 |
| Cryptocoryne cordata | 4 | 1985 | 18 |
| Cryptocoryne edithiae | 4 | 1985 | 17 |
| Cryptocoryne grabowski | 4 | 1985 | 17 |
| Cryptocoryne „rosanervis“ | 2 | 1985 | 12 |
| Cryptocoryne siamensis var. schneideri | 2 | 1985 | 12 |
| Cryptocoryne spiralis | 3 | 1985 | 17 |
| Cryptocoryne striolata | 1 | 1985 | 14 |
| Cryptocoryne usteriana | 4 | 1985 | 14 |
| Cryptocoryne zonata | 4 | 1985 | 18 |
| Drosera rotundifolia | 4 | 1985 | 23 |
| Drosophila | 2 | 1985 | 13 |
| Dünger | 1 | 1985 | 6 |
| Echinodorus | 1 | 1985 | 12 |
| Echinodorus africanus | 1 | 1985 | 15 |
| Echinodorus parviflorus ‚Tropica‘ | 3 | 1985 | 15 |
| Echinodorus uruguayensis | 1 | 1985 | 15 |
| Eichhornia azurea | 4 | 1985 | 5 |
| Eichhornia crassipes | 2 | 1985 | 7 |
| Eisen | 1 | 1985 | 6 |
| Emerse Kultur allgemein | 3 | 1985 | 14 |
| Fettkraut | 4 | 1985 | 24 |
| Fl-Schalter | 2 | 1985 | 10 |
| Fleischfressende Pflanzen | 4 | 1985 | 23 |
| Gesellschaft für Fleischfressende Pflanzen | 1 | 1985 | 23 |
| Giftstoffe | 1 | 1985 | 7 |
| Gymnocoronis spilanthoides | 3 | 1985 | 11 |
| Hydrokultur | 1 | 1985 | 12 |
| Hygrophila | 3 | 1985 | 11 |
| Hygrophila atricheta | 3 | 1985 | 11 |
| Hygrophila difformis | 4 | 1985 | 20 |
| Justicia gendarussa | 4 | 1985 | 5 |
| Justicia schimperi | 4 | 1985 | 5 |
| Kohlensäure | 1 | 1985 | 6 |
| Lemna aequinoctialis | 3 | 1985 | 3 |
| Lemna minor | 3 | 1985 | 3 |
| Lemnaceae | 3 | 1985 | 3 |
| Lewatit HD 5 | 1 | 1985 | 12 |
| Lewatit HD 5 | 3 | 1985 | 14 |
| Lewatit HD 5 | 4 | 1985 | 3 |
| Lichtleiste | 2 | 1985 | 10 |
| Liebhaberei | 1 | 1985 | 25 |
| Limnophyton angolense | 1 | 1985 | 15 |
| Limnophyton fluitans | 1 | 1985 | 15 |
| Limnophyton obtusifolius | 1 | 1985 | 15 |
| Mangelwuchs | 1 | 1985 | 3 |
| Murashige & Skoog | 4 | 1985 | 5 |
| Nährboden | 4 | 1985 | 5 |
| Nährstoffe | 1 | 1985 | 6 |
| Nesaea pedicellata | 4 | 1985 | 15 |
| Paraná-Wasserfreund | 3 | 1985 | 11 |
| Pflanzenwahl | 1 | 1985 | 5 |
| Phyllanthus fluitans | 3 | 1985 | 5 |
| Pinguicula vulgaris | 4 | 1985 | 23 |
| Potamogeton gayi | 2 | 1985 | 8 |
| Rhizomteilung | 4 | 1985 | 10 |
| Saururus cernuus | 2 | 1985 | 6 |
| Schnecken | 1 | 1985 | 8 |
| Schößlinge | 4 | 1985 | 12 |
| Schucostecker | 2 | 1985 | 10 |
| Spirodela punctata | 3 | 1985 | 3 |
| Stecklinge | 4 | 1985 | 13 |
| Synnema triflorum | 4 | 1985 | 20 |
| Utricularia | 4 | 1985 | 24 |
| Vermehrung | 3 | 1985 | 14 |
| Vermehrung | 4 | 1985 | 5 |
| Vermehrung | 4 | 1985 | 10 |
| Vietnam | 2 | 1985 | 19 |
| Vitro-Kultur | 4 | 1985 | 5 |
| Wasser allgemein | 4 | 1985 | 22 |
| Wolffia angusta | 3 | 1985 | 3 |
| Wolffia arrhiza | 3 | 1985 | 3 |
| Wolffia globosa | 3 | 1985 | 3 |
| Wolffia microscopica | 3 | 1985 | 3 |
| Wolffiella denticulata | 3 | 1985 | 3 |
| Wolffiella welwitschii | 3 | 1985 | 3 |
| Aldrovanda vesiculosa | 1 | 1986 | 24 |
| Alisma lanceolatum | 3 | 1986 | 119 |
| Alisma tenellum | 1 | 1986 | 15 |
| Alismataceae | 1 | 1986 | 15 |
| Aponogeton | 1 | 1986 | 27 |
| Aponogeton | 3 | 1986 | 110 |
| Aponogeton desertorum | 3 | 1986 | 110 |
| Aponogeton elongatus | 2 | 1986 | 76 |
| Aponogeton Iakhonensis | 2 | 1986 | 76 |
| Botanischer Garten Berlin | 1 | 1986 | 17 |
| Caulerpa | 4 | 1986 | 149 |
| Caulerpa sertularioides | 4 | 1986 | 149 |
| Ceratophyllum demersum | 3 | 1986 | 118 |
| Crinum | 3 | 1986 | 95 |
| Crinum thaianum | 3 | 1986 | 95 |
| Crinum thaianum | 3 | 1986 | 99 |
| Crinum thaianum | 4 | 1986 | 146 |
| Cryptocoryne | 1 | 1986 | 27 |
| Cryptocoryne | 4 | 1986 | 135 |
| Cryptocoryne amicorum | 2 | 1986 | 51 |
| Cryptocoryne ecliptica | 2 | 1986 | 48 |
| Cryptocoryne ecliptica | 4 | 1986 | 137 |
| Cryptocoryne gasseri | 2 | 1986 | 51 |
| Cryptocoryne hudoroi | 4 | 1986 | 145 |
| Cryptocoryne minima | 2 | 1986 | 48 |
| Cryptocoryne minima | 4 | 1986 | 137 |
| Cryptocoryne pontederiifolia | 2 | 1986 | 46 |
| Cryptocoryne purpurea | 4 | 1986 | 137 |
| Cryptocoryne purpurea | 4 | 1986 | 153 |
| Cryptocoryne scurrilis | 2 | 1986 | 51 |
| Cryptocoryne versteegii | 2 | 1986 | 46 |
| Cryptocoryne zewaldiae | 4 | 1986 | 137 |
| Cryptocoryne zukalii | 1 | 1986 | 21 |
| Droseraceae | 1 | 1986 | 24 |
| Düngung | 1 | 1986 | 20 |
| Düngung | 2 | 1986 | 69 |
| Düngung | 3 | 1986 | 106 |
| Düngung | 3 | 1986 | 119 |
| Echinodorus osiris | 2 | 1986 | 71 |
| Echinodorus „osiris doppelt rot“ | 2 | 1986 | 71 |
| Echinodorus tenellus | 1 | 1986 | 15 |
| Echinodorus tenellus var. parvulus | 1 | 1986 | 15 |
| Echinodorus tenellus var. tenellus | 1 | 1986 | 15 |
| Einheimische Wasserpflanzen | 4 | 1986 | 162 |
| Eisen | 2 | 1986 | 67 |
| Fangblase | 1 | 1986 | 23 |
| Gartenteich | 1 | 1986 | 12 |
| Gartenteich | 1 | 1986 | 14 |
| Hydrocharis morsus-ranae | 4 | 1986 | 142 |
| Hydrocleys martii | 1 | 1986 | 12 |
| In vitro | 1 | 1986 | 3 |
| lsoetes malinverniana | 2 | 1986 | 40 |
| lsoetes velata | 2 | 1986 | 40 |
| Kohlensäure | 3 | 1986 | 104 |
| Lagenandra | 2 | 1986 | 59 |
| Lagenandra dewitii | 2 | 1986 | 57 |
| Lagenandra nairii | 2 | 1986 | 60 |
| Lemna minor | 3 | 1986 | 119 |
| Lemna trisulca | 3 | 1986 | 119 |
| Lentibulariaceae | 1 | 1986 | 23 |
| Lilaeopsis | 3 | 1986 | 100 |
| Lilaeopsis | 4 | 1986 | 142 |
| Lilaeopsis brasiliensis | 3 | 1986 | 100 |
| Lilaeopsis brasiliensis | 3 | 1986 | 113 |
| Lilaeopsis brasiliensis | 4 | 1986 | 141 |
| Lobelia cardinalis | 4 | 1986 | 149 |
| Lobeliaceae | 3 | 1986 | 107 |
| Malaiische Halbinsel | 4 | 1986 | 135 |
| Mangelsymptome | 2 | 1986 | 70 |
| Meeresalgen | 4 | 1986 | 149 |
| Meeresaquarium | 4 | 1986 | 149 |
| Myriophyllum | 2 | 1986 | 84 |
| Myriophyllum heterophyllum | 2 | 1986 | 84 |
| Myriophyllum spicatum | 3 | 1986 | 119 |
| Myriophyllum verticillatum | 3 | 1986 | 119 |
| Nährstoffe | 2 | 1986 | 69 |
| Nährstoffe | 3 | 1986 | 120 |
| Najas marina | 3 | 1986 | 119 |
| Nymphoides humboldtiana | 1 | 1986 | 12 |
| Øls Skaeppe | 4 | 1986 | 166 |
| Polygonum amphibium | 3 | 1986 | 118 |
| Potamogeton crispus | 3 | 1986 | 118 |
| Potamogeton lucens | 3 | 1986 | 118 |
| Potamogeton obtusifolius | 3 | 1986 | 118 |
| Potamogeton pectinatus | 3 | 1986 | 118 |
| Potamogeton perfoliatus | 3 | 1986 | 118 |
| Pratia hederacea | 3 | 1986 | 107 |
| Sagittaria sagittifolia | 3 | 1986 | 118 |
| Salvinia natans | 3 | 1986 | 118 |
| Sauerstoff | 1 | 1986 | 6 |
| Sium Iatifolium | 3 | 1986 | 118 |
| Spirodela polyrhiza | 3 | 1986 | 119 |
| Stratiotes aloides | 2 | 1986 | 65 |
| Stratiotes aloides | 2 | 1986 | 81 |
| Symposium | 1 | 1986 | 26 |
| Tasek Bera | 4 | 1986 | 153 |
| Theiß-Gebiet | 3 | 1986 | 115 |
| Trapa natans | 3 | 1986 | 118 |
| Turionen | 1 | 1986 | 24 |
| Utricularia | 1 | 1986 | 23 |
| Utricularia vulgaris | 1 | 1986 | 25 |
| Utricularia vulgaris | 3 | 1986 | 118 |
| Vallisneria | 3 | 1986 | 98 |
| Wasserpflanzengärtnerei | 3 | 1986 | 104 |
| Wiesneria | 4 | 1986 | 159 |
| Wiesneria triandra | 4 | 1986 | 159 |
| Achillea ptarmica | 4 | 1987 | 139 |
| Acorus calamus | 4 | 1987 | 142 |
| Aldrovanda vesiculosa | 4 | 1987 | 142 |
| Algen | 4 | 1987 | 142 |
| Alisma plantago-aquatica | 4 | 1987 | 143 |
| Angelica archangelica | 4 | 1987 | 145 |
| Anubias | 3 | 1987 | 109 |
| Aponogeton distachyos | 4 | 1987 | 145 |
| Aponogeton stuhlmannii | 3 | 1987 | 83 |
| Azolla filiculoides | 4 | 1987 | 145 |
| Barclaya motleyi | 2 | 1987 | 56 |
| Biofilter | 3 | 1987 | 91 |
| Botanischer Garten Düsseldorf | 1 | 1987 | 29 |
| Botanischer Garten Düsseldorf | 2 | 1987 | 66 |
| CO2-Steuerung | 1 | 1987 | 26 |
| Crassula | 4 | 1987 | 136 |
| Crassula helmsii | 4 | 1987 | 138 |
| Crinum calamistratum | 4 | 1987 | 123 |
| Crinum natans | 4 | 1987 | 123 |
| Cryptocoryne | 2 | 1987 | 50 |
| Cryptocoryne | 4 | 1987 | 130 |
| Cryptocoryne affinis | 1 | 1987 | 13 |
| Cryptocoryne affinis | 2 | 1987 | 44 |
| Cryptocoryne ciliata | 3 | 1987 | 96 |
| Cryptocoryne cordata ‚Rosanervig‘ | 1 | 1987 | 23 |
| Cryptocoryne cordata ‚Rosanervig‘ | 2 | 1987 | 65 |
| Cryptocoryne cordata | 1 | 1987 | 18 |
| Cryptocoryne decus-silvae | 3 | 1987 | 99 |
| Cryptocoryne diderici | 3 | 1987 | 98 |
| Cryptocoryne griffithii | 2 | 1987 | 56 |
| Cryptocoryne jacobsenii | 3 | 1987 | 96 |
| Cryptocorynq Iongicauda | 2 | 1987 | 59 |
| Cryptocoryne nurii | 1 | 1987 | 14 |
| Cryptocoryne purpurea | 2 | 1987 | 56 |
| Cryptocoryne purpurea | 2 | 1987 | 61 |
| Cryptocoryne schulzei | 2 | 1987 | 59 |
| Cryptocoryne thwaitesii | 1 | 1987 | 6 |
| Cryptocoryne thwaitesii | 1 | 1987 | 8 |
| Cryptocoryne walkeri | 2 | 1987 | 45 |
| Cryptocoryne zukalii | 3 | 1987 | 98 |
| Echinodorus barthii | 2 | 1987 | 63 |
| Echinodorus osiris | 2 | 1987 | 63 |
| Echinodorus tenellus | 2 | 1987 | 54 |
| Eichhornia diversifolia | 3 | 1987 | 105 |
| Eichhornia natans | 3 | 1987 | 105 |
| Filterung | 3 | 1987 | 90 |
| Hydrilla verticillata | 2 | 1987 | 51 |
| Hydrocharitaceae | 2 | 1987 | 51 |
| Kohlensäuredüngung | 3 | 1987 | 86 |
| Lagenandra | 2 | 1987 | 48 |
| Lagenandra gomezii | 2 | 1987 | 43 |
| Lagenandra nairii | 2 | 1987 | 44 |
| Ludwigia repens x arcuata | 1 | 1987 | 21 |
| Malaiische Halbinsel | 1 | 1987 | 13 |
| Malaiische Halbinsel | 2 | 1987 | 56 |
| Malaiische Halbinsel | 3 | 1987 | 96 |
| Meranti-Späne | 1 | 1987 | 10 |
| Monstera deliciosa | 3 | 1987 | 90 |
| Myriophyllum | 1 | 1987 | 3 |
| Myriophyllum propinquum | 1 | 1987 | 3 |
| Nelumbo nucifera | 1 | 1987 | 1 |
| Nymphaea zenkeri | 4 | 1987 | 132 |
| pH-Wert-Meßregler | 1 | 1987 | 26 |
| Sagittaria subulata | 2 | 1987 | 54 |
| Stabheizer | 4 | 1987 | 146 |
| Thermalgewässer | 3 | 1987 | 93 |
| Anemopsis californica | 1 | 1988 | 18 |
| Anubias barteri var. nana | 4 | 1988 | 146 |
| Aponogeton involucratus | 1 | 1988 | 18 |
| Aponogeton madagascariensis | 2 | 1988 | 49 |
| Baldellia ranunculoides | 1 | 1988 | 10 |
| Berula erecta | 1 | 1988 | 11 |
| Bidens cernuus | 1 | 1988 | 11 |
| Bidens tripartita | 1 | 1988 | 11 |
| Blattläuse | 1 | 1988 | 7 |
| Braunkohleplatten | 3 | 1988 | 88 |
| Bulboschoenus maritimus | 1 | 1988 | 11 |
| Butomus umbellatus | 1 | 1988 | 11 |
| Calla palustris | 1 | 1988 | 13 |
| Callitriche | 1 | 1988 | 13 |
| Caltha palustris | 1 | 1988 | 43 |
| Cardamine amara | 1 | 1988 | 16 |
| Cardamine pratensis | 1 | 1988 | 12 |
| Carex | 2 | 1988 | 45 |
| Ceratophyllum demersum | 2 | 1988 | 47 |
| Ceratophyllum submersum | 2 | 1988 | 47 |
| Chara | 2 | 1988 | 48 |
| Chrysosplenium alternifolium | 2 | 1988 | 48 |
| Cicuta virosa | 3 | 1988 | 83 |
| Cladium mariscus | 3 | 1988 | 85 |
| Cotula coronopifolia | 3 | 1988 | 85 |
| Crassula helmsii | 1 | 1988 | 9 |
| Crassula helmsii | 3 | 1988 | 86 |
| Cryptocoryne cordata ‚Rosanervig‘ | 1 | 1988 | 3 |
| Cryptocoryne ecliptica | 3 | 1988 | 110 |
| Cryptocoryne ferruginea | 3 | 1988 | 95 |
| Cryptocoryne moehlmannii | 3 | 1988 | 90 |
| Cryptocoryne pontederiifolia | 1 | 1988 | 23 |
| Cyperus | 3 | 1988 | 86 |
| Didiplis diandra | 2 | 1988 | 65 |
| Düngung | 4 | 1988 | 130 |
| Echinodorus inpai | 1 | 1988 | 27 |
| Eichhornia crassipes | 2 | 1988 | 40 |
| Elatine triandra | 2 | 1988 | 67 |
| Eriocaulon | 4 | 1988 | 144 |
| Filterung | 3 | 1988 | 107 |
| Glossostigma elatinoides | 4 | 1988 | 127 |
| Hydrocleys nymphoides | 4 | 1988 | 129 |
| Hydrodünger | 4 | 1988 | 141 |
| Hydrowannen-Außenfilter | 4 | 1988 | 134 |
| Ludwigia inclinata | 1 | 1988 | 21 |
| Mayaca fluviatilis | 1 | 1988 | 25 |
| Mayaca sellowiana | 1 | 1988 | 25 |
| Meeresalgen | 4 | 1988 | 138 |
| Nemastoma dichotoma | 4 | 1988 | 139 |
| Nitella | 2 | 1988 | 48 |
| Nuphar Iutea | 1 | 1988 | 1 |
| Ottelia brasiliensis | 4 | 1988 | 150 |
| Ottelia mesenterium | 3 | 1988 | 101 |
| Ottelia ulvifolia | 3 | 1988 | 102 |
| Paludarium-Frontscheibe | 3 | 1988 | 105 |
| Rückwanddekoration | 3 | 1988 | 88 |
| Samengewinnung | 4 | 1988 | 146 |
| Schismatoglottis roseospatha | 3 | 1988 | 96 |
| Shinnersia rivularis | 2 | 1988 | 63 |
| Shinnersia rivularis | 4 | 1988 | 136 |
| Trichocoronis rivularis | 2 | 1988 | 63 |
| Trichocoronis rivularis | 4 | 1988 | 136 |
| Aponogeton capuronii | 3 | 1989 | 95 |
| Aponogeton hexatepalus | 2 | 1989 | 56 |
| Barclaya | 2 | 1989 | 62 |
| Barclaya Iongifolia | 2 | 1989 | 63 |
| Blaualgen | 3 | 1989 | 106 |
| Blaualgen | 3 | 1989 | 108 |
| Bodenfilterung | 1 | 1989 | 27 |
| CO2-Düngung | 1 | 1989 | 7 |
| Cryptocoryne ciliata | 3 | 1989 | 88 |
| Cryptocoryne consobrina | 3 | 1989 | 83 |
| Cryptocoryne consobrina | 4 | 1989 | 127 |
| Cryptocoryne cordata ‚Rosanervig‘ | 1 | 1989 | 7 |
| Cryptocoryne ecliptica | 3 | 1989 | 83 |
| Cryptocoryne ecliptica | 4 | 1989 | 129 |
| Cryptocoryne hudoroi | 1 | 1989 | 12 |
| Cryptocoryne nevillii | 2 | 1989 | 52 |
| Cryptocoryne nevillii | 3 | 1989 | 88 |
| Cryptocoryne retrospiralis | 3 | 1989 | 85 |
| Cryptocoryne scurrilis | 1 | 1989 | 3 |
| Cryptocoryne spiralis | 3 | 1989 | 84 |
| Cryptocoryne striolata | 1 | 1989 | 15 |
| Cryptocoryne thwaitesii | 3 | 1989 | 88 |
| Cryptocoryne undulata | 3 | 1989 | 88 |
| Cryptocoryne-Blütenstände | 1 | 1989 | 22 |
| Dactylorhiza cruenta | 4 | 1989 | 148 |
| Dactylorhiza incarnata | 4 | 1989 | 148 |
| Dactylorhiza Iapponica | 4 | 1989 | 149 |
| Dactylorhiza maculata | 1 | 1989 | 17 |
| Dactylorhiza maculata | 4 | 1989 | 149 |
| Dactylorhiza majalis | 1 | 1989 | 21 |
| Dactylorhiza majalis | 4 | 1989 | 150 |
| Dactylorhiza ochroleuca | 4 | 1989 | 150 |
| Dactylorhiza praetermissa | 1 | 1989 | 17 |
| Dactylorhiza praetermissa | 4 | 1989 | 150 |
| Dactylorhiza russowii | 4 | 1989 | 151 |
| Dactylorhiza sphagnicola | 4 | 1989 | 151 |
| Dactylorhiza traunsteineri | 4 | 1989 | 151 |
| Didiplis diandra | 2 | 1989 | 61 |
| Echinodorus barthii | 4 | 1989 | 123 |
| Echinodorus cordifolius | 4 | 1989 | 125 |
| Echinodorus horemanii | 4 | 1989 | 123 |
| Echinodorus opacus | 4 | 1989 | 133 |
| Echinodorus opacus | 4 | 1989 | 135 |
| Echinodorus osiris | 4 | 1989 | 123 |
| Echinodorus portoalegrensis | 4 | 1989 | 133 |
| Echinodorus uruguayensis | 4 | 1989 | 125 |
| Egeria densa | 4 | 1989 | 18 |
| Eichhornia crassipes | 1 | 1989 | 18 |
| Eleocharis acicularis | 1 | 1989 | 18 |
| Eleocharis palustris | 1 | 1989 | 18 |
| Elodea canadensis | 1 | 1989 | 18 |
| Epilobium hirsutum | 1 | 1989 | 19 |
| Epilobium palustre | 1 | 1989 | 19 |
| Equisetum | 1 | 1989 | 19 |
| Equisetum x trachyodon | 1 | 1989 | 20 |
| Eriophorum angustifolium | 1 | 1989 | 22 |
| Eupatorium cannabinum | 2 | 1989 | 43 |
| Euphorbia palustris | 2 | 1989 | 43 |
| Filipendula ulmaria | 2 | 1989 | 44 |
| Fotografie | 1 | 1989 | 8 |
| Galium palestre | 2 | 1989 | 45 |
| Geum rivale | 2 | 1989 | 45 |
| Glyceria fluitans | 3 | 1989 | 89 |
| Glyceria maxima | 3 | 1989 | 89 |
| Gratiola officinalis | 3 | 1989 | 90 |
| Hottonia palustris | 3 | 1989 | 91 |
| Houttuynia cordata | 3 | 1989 | 92 |
| Hydrilla verticillata | 4 | 1989 | 139 |
| Hydrocharis morsus-ranae | 4 | 1989 | 143 |
| Hydrocleys nymphoides | 4 | 1989 | 141 |
| Hydrocotyle vulgaris | 4 | 1989 | 141 |
| Hydrostemma spec. | 2 | 1989 | 62 |
| Hygrophila angustifolia | 3 | 1989 | 102 |
| Hygrophila corymbosa | 3 | 1989 | 101 |
| Hygrophila polysperma | 3 | 1989 | 102 |
| Hypericum tetrapterum | 4 | 1989 | 143 |
| Hypostomus spec. | 2 | 1989 | 49 |
| Lagenandra dewitii | 4 | 1989 | 137 |
| Lagenandra nairii | 3 | 1989 | 88 |
| Lagenandra toxicaria | 3 | 1989 | 84 |
| Limnophila aquatica | 2 | 1989 | 59 |
| Microsorium pteropus | 1 | 1989 | 6 |
| Monstera deliciosa | 2 | 1989 | 46 |
| Myriophyllum hippuroides | 3 | 1989 | 104 |
| Ottelia acuminata | 2 | 1989 | 67 |
| Ottelia alismoides | 2 | 1989 | 66 |
| Ottelia cordata | 2 | 1989 | 66 |
| Ottelia ulvifolia | 2 | 1989 | 67 |
| Pterigoplichthys gibbiceps | 2 | 1989 | 48 |
| Shinnersia rivularis | 1 | 1989 | 16 |
| Trichocoronis rivularis | 1 | 1989 | 16 |
| Unterbodensystem | 1 | 1989 | 27 |
| Ammannia latifolia | 3 | 1990 | 83 |
| Ammannia senegalensis | 4 | 1990 | 150 |
| Aponogeton rigidifolius | 4 | 1990 | 134 |
| Aponogeton tenuispicatus | 1 | 1990 | 26 |
| Blaualgen | 2 | 1990 | 51 |
| Blaualgen | 2 | 1990 | 52 |
| Blyxa aubertii | 3 | 1990 | 94 |
| Caulerpa | 1 | 1990 | 25 |
| Ceratopteris thalictroides | 3 | 1990 | 91 |
| Cryptocoryne alba | 4 | 1990 | 143 |
| Cryptocoryne albida | 1 | 1990 | 18 |
| Cryptocoryne ciliata | 2 | 1990 | 55 |
| Cryptocoryne dewitii | 2 | 1990 | 61 |
| Cryptocoryne ferruginea | 2 | 1990 | 55 |
| Cryptocoryne fusca | 2 | 1990 | 55 |
| Cryptocoryne hudoroi | 1 | 1990 | 10 |
| Cryptocoryne lingua | 2 | 1990 | 55 |
| Cryptocoryne moehlmannii | 2 | 1990 | 58 |
| Cryptocoryne pallidinervia | 2 | 1990 | 58 |
| Cryptocoryne pontederiifolia | 2 | 1990 | 58 |
| Cryptocoryne purpurea | 4 | 1990 | 143 |
| Cryptocoryne sarawacensis | 2 | 1990 | 55 |
| Cryptocoryne versteegii | 2 | 1990 | 59 |
| Cryptocoryne villosa | 4 | 1990 | 141 |
| Cryptocoryhe, Hydrokultur | 4 | 1990 | 143 |
| Didiplis diandra | 4 | 1990 | 166 |
| Düngemittel | 1 | 1990 | 7 |
| Echinodorus ‚Rosé‘ | 1 | 1990 | 21 |
| Echinodorus barthii | 1 | 1990 | 18 |
| Halimeda tuna | 1 | 1990 | 24 |
| Hemianthus micranthemoides | 2 | 1990 | 43 |
| Hemianthus micranthemoides | 2 | 1990 | 45 |
| Hippurus vulgaris | 3 | 1990 | 100 |
| Hybriden | 1 | 1990 | 19 |
| Impatiens glandulifera | 1 | 1990 | 3 |
| Iris kaempferi | 1 | 1990 | 5 |
| Iris Iaevigata | 1 | 1990 | 6 |
| Iris pseudacorus | 1 | 1990 | 5 |
| Iris setosa | 1 | 1990 | 6 |
| Iris sibirica | 1 | 1990 | 5 |
| Iris spuria | 1 | 1990 | 5 |
| iris versicolor | 1 | 1990 | 6 |
| Juncus effusus | 1 | 1990 | 6 |
| Juncus inflexus | 1 | 1990 | 7 |
| Lathyrus palustris | 2 | 1990 | 65 |
| Lathyrus pratensis | 2 | 1990 | 65 |
| Leersia oryzoides | 2 | 1990 | 65 |
| Lemna spec. | 2 | 1990 | 66 |
| Licht | 4 | 1990 | 123 |
| Limosella aquatica | 2 | 1990 | 68 |
| Litorella uniflora | 3 | 1990 | 103 |
| Lobelia cardinalis | 1 | 1990 | 17 |
| Lobelia cardinalis | 3 | 1990 | 105 |
| Lobelia dortmanna | 3 | 1990 | 105 |
| Lobelia erinus | 3 | 1990 | 105 |
| Lobelia fulgens | 3 | 1990 | 105 |
| Lobelia sessilifolia | 3 | 1990 | 105 |
| Lobelia siphilitica | 3 | 1990 | 105 |
| Lobelia urens | 3 | 1990 | 105 |
| Lotus uliginosus | 3 | 1990 | 106 |
| Ludwigia arcuata | 4 | 1990 | 130 |
| Ludwigia grandiflora | 4 | 1990 | 130 |
| Ludwigia inclinata | 1 | 1990 | 14 |
| Ludwigia natans | 4 | 1990 | 130 |
| Ludwigia palustris | 4 | 1990 | 130 |
| Luronium natans | 4 | 1990 | 131 |
| Lycopus europaeus | 4 | 1990 | 131 |
| Micranthemum umbrosum | 2 | 1990 | 47 |
| Nesaea crassicaulis | 4 | 1990 | 149 |
| Ofenschlacke | 2 | 1990 | 48 |
| Piptospatha ridleyi | 3 | 1990 | 108 |
| Riccia fluitans | 4 | 1990 | 139 |
| Rotala macrandra | 4 | 1990 | 149 |
| Rotala rotundifolia | 4 | 1990 | 147 |
| Rotala wallichii | 4 | 1990 | 149 |
| Sium erectum | 3 | 1990 | 100 |
| Sorten | 3 | 1990 | 88 |
| Sorten | 3 | 1990 | 90 |
| Spirodela spec. | 2 | 1990 | 66 |
| Store Blåkilde | 3 | 1990 | 98 |
| Wolffia spec. | 2 | 1990 | 66 |
| Acorus gramineus (einschl. var. pusillus) | 2 | 1991 | 71 |
| Alternanthera reineckii | 2 | 1991 | 70 |
| Ammannia gracilis | 2 | 1991 | 69 |
| Ammannia senegalensis | 2 | 1991 | 69 |
| Aponogeton czokusianus | 2 | 1991 | 46 |
| Aponogeton decaryi | 2 | 1991 | 51 |
| Aponogeton dioecus | 2 | 1991 | 54 |
| Aponogeton madagascariensis | 2 | 1991 | 70 |
| Aponogeton tenuispicatus | 2 | 1991 | 51 |
| Aponogeton tertiarius | 2 | 1991 | 46 |
| Aponogeton ulvaceus | 2 | 1991 | 52 |
| Aponogeton zhilinii | 2 | 1991 | 50 |
| Blaualgen | 3 | 1991 | 113 |
| Blyxa aubertii | 2 | 1991 | 69 |
| Brachythecium spec. | 4 | 1991 | 148 |
| Caulerpa sertularioides | 3 | 1991 | 95 |
| Crinum calamistratum | 3 | 1991 | 89 |
| Crinum natans | 3 | 1991 | 87 |
| Crinum purpurascens | 3 | 1991 | 85 |
| Crinum thaianum | 3 | 1991 | 86 |
| Cryptocoryne annamica | 3 | 1991 | 98 |
| Cryptocoryne auriculata | 3 | 1991 | 96 |
| Cryptocoryne consobrina | 4 | 1991 | 144 |
| Cryptocoryne crispatula | 1 | 1991 | 22 |
| Cryptocoryne crispatula var. balansae | 1 | 1991 | 28 |
| Cryptocoryne crispatula var. crispatula | 1 | 1991 | 23 |
| Cryptocoryne crispatula var. flaccidifolia | 1 | 1991 | 26 |
| Cryptocoryne crispatula var. sinensis | 1 | 1991 | 29 |
| Cryptocoryne pallidinervia | 4 | 1991 | 123 |
| Cryptocoryne retrospiralis | 1 | 1991 | 32 |
| Cryptocoryne usteriana | 3 | 1991 | 100 |
| Cryptocoryne venemae | 4 | 1991 | 125 |
| Dasycladus clavaeformis | 3 | 1991 | 93 |
| Didiplis diandra | 2 | 1991 | 69 |
| Düngemittel | 2 | 1991 | 55 |
| Echinodorus tenellus | 2 | 1991 | 69 |
| Eichhornia azurea | 2 | 1991 | 70 |
| Eichhornia diversifolia | 2 | 1991 | 70 |
| Fontinalis antipyretica | 4 | 1991 | 150 |
| Fontinalis hypnoides | 4 | 1991 | 150 |
| Fontinalis squamosa | 4 | 1991 | 150 |
| Glossostigma elatinoides | 2 | 1991 | 69 |
| Hemianthus micranthemoides | 2 | 1991 | 69 |
| Jubiläumskongreß | 4 | 1991 | 129 |
| Lagarosiphon cordofanus | 2 | 1991 | 69 |
| Licht | 4 | 1991 | 140 |
| Lilaeopsis brasiliensis | 2 | 1991 | 69 |
| Lilaeopsis macloviana | 3 | 1991 | 102 |
| Lobelia cardinalis | 2 | 1991 | 69 |
| Ludwigia grandiflora | 2 | 1991 | 62 |
| Lunularia spec. | 4 | 1991 | 148 |
| Lysichiton americanus | 2 | 1991 | 57 |
| Lysichiton camtchatcensis | 2 | 1991 | 57 |
| Lysimachia nemorum | 2 | 1991 | 58 |
| Lysimachia nummularia | 2 | 1991 | 58 |
| Lysimachia punctata | 2 | 1991 | 58 |
| Lysimachia thyrsiflora | 2 | 1991 | 59 |
| Lysimachia vulgaris | 2 | 1991 | 59 |
| Lythrum hyssopifolia | 2 | 1991 | 59 |
| Lythrum salicaria | 2 | 1991 | 59 |
| Lythrum virgatum | 2 | 1991 | 59 |
| Marchantia spec. | 4 | 1991 | 148 |
| Masilea quadrifolia | 3 | 1991 | 106 |
| Mentha aquatica | 3 | 1991 | 108 |
| Mentha arvensis | 3 | 1991 | 108 |
| Mentha Iongifolia | 3 | 1991 | 108 |
| Mentha pulegium | 3 | 1991 | 108 |
| Menyanthes trifoliata | 3 | 1991 | 109 |
| Micranthemum umbrosum | 2 | 1991 | 69 |
| Mimulus cupreus | 3 | 1991 | 112 |
| Mimulus guttatus | 3 | 1991 | 112 |
| Mimulus luteus | 3 | 1991 | 112 |
| Mimulus moschatus | 3 | 1991 | 112 |
| Mimulus primuloides | 3 | 1991 | 112 |
| Mimulus ringens | 3 | 1991 | 112 |
| Moose | 4 | 1991 | 146 |
| Myosotis palustris | 4 | 1991 | 150 |
| Myosotis rehsteineri | 4 | 1991 | 150 |
| Myosoton aquaticum | 4 | 1991 | 150 |
| Myrica gale | 4 | 1991 | 151 |
| Orontium aquaticum | 4 | 1991 | 131 |
| Pilularia globulifera | 3 | 1991 | 106 |
| Proserpinaca pectinata | 2 | 1991 | 69 |
| Riccia fluitans | 4 | 1991 | 148 |
| Rotala macrandra | 2 | 1991 | 70 |
| Rotala rotundifolia | 2 | 1991 | 69 |
| Rotala wallichii | 2 | 1991 | 70 |
| Saururus cernuus | 2 | 1991 | 43 |
| Scinaia furcellata | 3 | 1991 | 94 |
| Sphagnum spec. | 4 | 1991 | 148 |
| Utricularia aurea | 2 | 1991 | 67 |
| Algen | 2 | 1992 | 43 |
| Aponogeton crispus | 1 | 1992 | 8 |
| Aponogeton crispus x rigidifolius | 1 | 1992 | 8 |
| Aponogeton decaryi | 2 | 1992 | 55 |
| Aponogeton rigidifolius | 1 | 1992 | 8 |
| Aponogeton satarensis | 2 | 1992 | 50 |
| Bacopa monnieri | 4 | 1992 | 123 |
| Buchenlauberde | 1 | 1992 | 18 |
| Cabomba furcata | 2 | 1992 | 74 |
| Cabomba warmingii | 2 | 1992 | 74 |
| Caulerpa prolifera | 4 | 1992 | 130 |
| Cryptocoryne cognata | 2 | 1992 | 59 |
| Cryptocoryne cordata | 1 | 1992 | 21 |
| Cryptocoryne ecliptica | 1 | 1992 | 23 |
| Cryptocoryne ferruginea | 1 | 1992 | 21 |
| Cryptocoryne fusca | 1 | 1992 | 21 |
| Cryptocoryne griffithii | 1 | 1992 | 22 |
| Cryptocoryne jacobsenii | 1 | 1992 | 23 |
| Cryptocoryne keei | 4 | 1992 | 135 |
| Cryptocoryne keei | 4 | 1992 | 139 |
| Cryptocorynq Iongicauda | 1 | 1992 | 21 |
| Cryptocoryne minima | 1 | 1992 | 21 |
| Cryptocoryne pallidinervia | 1 | 1992 | 22 |
| Cryptocoryne purpurea | 1 | 1992 | 23 |
| Cryptocoryne schulzei | 1 | 1992 | 22 |
| Cryptocoryne spiralis | 3 | 1992 | 91 |
| Cryptocoryne villosa | 1 | 1992 | 21 |
| Cryptocoryne zonata | 1 | 1992 | 23 |
| Düngemittel | 1 | 1992 | 26 |
| Düngemittel | 2 | 1992 | 66 |
| Grammatotheca bergiana | 3 | 1992 | 83 |
| Hottonia inflata | 3 | 1992 | 100 |
| Hottonia palustris | 3 | 1992 | 100 |
| Lobelia dortmanna | 3 | 1992 | 83 |
| Lobelia purpurascens | 3 | 1992 | 83 |
| Lobelia purpurascens | 3 | 1992 | 90 |
| Monopsis Iutea | 3 | 1992 | 90 |
| Myriophyllum aquaticum | 1 | 1992 | 5 |
| Myriophyllum heterophyllum | 1 | 1992 | 6 |
| Myriophyllum spicatum | 1 | 1992 | 5 |
| Myriophyllum verticillatum | 1 | 1992 | 5 |
| Najas marina | 1 | 1992 | 6 |
| Najas minor | 1 | 1992 | 6 |
| Nasturtium officinale | 1 | 1992 | 7 |
| Nelumbo Iutea | 3 | 1992 | 102 |
| Nelumbo nucifera | 3 | 1992 | 102 |
| Nuphar advena | 3 | 1992 | 102 |
| Nuphar japonica | 3 | 1992 | 102 |
| Nuphar Iutea | 3 | 1992 | 102 |
| Nuphar pumila | 3 | 1992 | 102 |
| Nymphaea alba | 3 | 1992 | 104 |
| Nymphaea caerulea | 3 | 1992 | 108 |
| Nymphaea candida | 3 | 1992 | 104 |
| Nymphaea capensis | 3 | 1992 | 109 |
| Nymphaea gigantea | 3 | 1992 | 86 |
| Nymphaea lotus | 3 | 1992 | 108 |
| Nymphaea mexicana | 3 | 1992 | 105 |
| Nymphaea odorata | 3 | 1992 | 105 |
| Nymphaea rubra | 3 | 1992 | 108 |
| Nymphaea tetragona | 3 | 1992 | 108 |
| Nymphaea tuberosa | 3 | 1992 | 105 |
| Nymphaea x daubenyana | 3 | 1992 | 109 |
| Nymphaea-Sorten (viele) | 4 | 1992 | 140 |
| Nymphoides peltata | 4 | 1992 | 143 |
| Oenanthe aquatica | 4 | 1992 | 143 |
| Oenanthe fistulosa | 4 | 1992 | 143 |
| Oenanthe Iachenalii | 4 | 1992 | 143 |
| Orontium aquaticum | 4 | 1992 | 146 |
| Oryza sativa | 4 | 1992 | 146 |
| Phosphat | 2 | 1992 | 66 |
| Phosphat | 4 | 1992 | 153 |
| Physostegia purpurea | 3 | 1992 | 96 |
| Pistia stratiotes | 4 | 1992 | 150 |
| Pratia pedunculata | 3 | 1992 | 90 |
| Redoxin | 3 | 1992 | 110 |
| Schutz von Wasserpflanzen | 3 | 1992 | 111 |
| Victoria amazonica | 1 | 1992 | 10 |
| Volvox globulator | 4 | 1992 | 148 |
| Acorus gramineus (einschl. var. pusillus) | 1 | 1993 | 11 |
| Alternanthera reineckii „lilacina“ | 1 | 1993 | 21 |
| Anubias | 4 | 1993 | 129 |
| Anubias afzelii | 4 | 1993 | 133 |
| Anubias barteri | 4 | 1993 | 133 |
| Anubias gigantea | 4 | 1993 | 134 |
| Anubias gilletii | 4 | 1993 | 134 |
| Anubias gracilis | 4 | 1993 | 134 |
| Anubias hastifolia | 4 | 1993 | 134 |
| Anubias heterophylla | 4 | 1993 | 134 |
| Anubias pynaertii | 4 | 1993 | 134 |
| Aponogeton crispus | 4 | 1993 | 139 |
| Aponogeton jacobsenii | 4 | 1993 | 136 |
| Aponogeton rigidifolius | 2 | 1993 | 45 |
| Aponogeton rigidifolius | 4 | 1993 | 139 |
| Aponogeton tenuispicatus | 2 | 1993 | 43 |
| „Aquarelle“ | 2 | 1993 | 59 |
| Cryptocoryne alba | 1 | 1993 | 31 |
| Cryptocoryne alba | 4 | 1993 | 123 |
| Cryptocoryne beckettii | 4 | 1993 | 126 |
| Cryptocoryne bogneri | 4 | 1993 | 126 |
| Cryptocoryne cognatoides | 2 | 1993 | 62 |
| Cryptocoryne fusca | 3 | 1993 | 108 |
| Cryptocoryne nevillii | 4 | 1993 | 127 |
| Cryptocoryne parva | 4 | 1993 | 127 |
| Cryptocoryne spiralis | 2 | 1993 | 62 |
| Cryptocoryne spiralis var. cognatoides | 2 | 1993 | 62 |
| Cryptocoryne thwaitesii | 1 | 1993 | 31 |
| Cryptocoryne villosa | 2 | 1993 | 43 |
| Datei Aponogeton-Fundorte | 1 | 1993 | 34 |
| Dia-Archiv | 1 | 1993 | 8 |
| Didiplis diandra | 1 | 1993 | 23 |
| Egeria densa | 1 | 1993 | 11 |
| Eichhornia azurea | 1 | 1993 | 12 |
| Eichhornia crassipes | 1 | 1993 | 15 |
| Eichhornia crassipes | 1 | 1993 | 19 |
| Eichhornia diversifolia | 1 | 1993 | 17 |
| Eichhornia heterosperma | 1 | 1993 | 12 |
| Eichhornia natans | 1 | 1993 | 17 |
| Filter | 3 | 1993 | 90 |
| Glossostigma elatinoides | 3 | 1993 | 104 |
| Hydrocotyle verticillata | 2 | 1993 | 46 |
| Hydrocotyle vulgaris | 2 | 1993 | 46 |
| Ionenaustauscher | 3 | 1993 | 100 |
| Lagarosiphon major | 1 | 1993 | 11 |
| Licht | 2 | 1993 | 59 |
| Lotos-Effekt | 3 | 1993 | 94 |
| Najas conferta | 4 | 1993 | 142 |
| Nelumbo nucifera | 3 | 1993 | 91 |
| Nymphaea sp. (rotblühend) | 2 | 1993 | 69 |
| Nymphoides ezannoi | 1 | 1993 | 3 |
| Nymphoides humboldtiana | 1 | 1993 | 3 |
| Nymphoides indica | 1 | 1993 | 3 |
| Nymphoides peltata | 1 | 1993 | 3 |
| Nympsoides thunbergiana | 1 | 1993 | 3 |
| Ottelia alismoides | 1 | 1993 | 23 |
| Ottelia ovalifolia | 1 | 1993 | 23 |
| Peltandra virginica | 1 | 1993 | 23 |
| Peplis diandra | 1 | 1993 | 23 |
| Peplis portula | 1 | 1993 | 23 |
| Peucedanum palestre | 1 | 1993 | 27 |
| Pflanzen von Teichpflanzen | 2 | 1993 | 54 |
| Phalaris arundinacea | 1 | 1993 | 27 |
| Phragmites australis | 1 | 1993 | 27 |
| Pistia stratiotes | 1 | 1993 | 28 |
| Polygonum amphibium | 1 | 1993 | 29 |
| Polygonum hydropiper | 1 | 1993 | 29 |
| Pontederia cordata | 3 | 1993 | 84 |
| Pontederia lanceolata | 3 | 1993 | 84 |
| Potamogeton crispus | 3 | 1993 | 86 |
| Potamogeton lucens | 3 | 1993 | 86 |
| Potamogeton natans | 3 | 1993 | 86 |
| Potamogeton pectinatus | 3 | 1993 | 86 |
| Potamogeton perfoliatus | 3 | 1993 | 86 |
| Preslia cervina | 3 | 1993 | 86 |
| Primula beesiana | 3 | 1993 | 87 |
| Primula x bullesiana | 3 | 1993 | 87 |
| Primula bulleyana | 3 | 1993 | 87 |
| Primula denticulata | 3 | 1993 | 87 |
| Primula florindae | 3 | 1993 | 87 |
| Primula helodoxa | 3 | 1993 | 87 |
| Primula japonica | 3 | 1993 | 87 |
| Primula rosea | 3 | 1993 | 87 |
| Pseudolysimachium Iongifolium | 4 | 1993 | 148 |
| Pulicaria dysenterica | 3 | 1993 | 87 |
| Pulicaria vulgaris | 3 | 1993 | 87 |
| Ranunculus aquatilis | 4 | 1993 | 149 |
| Ranunculus circinatus | 4 | 1993 | 149 |
| Ranunculus flammula | 4 | 1993 | 148 |
| Ranunculus fluitans | 4 | 1993 | 149 |
| Ranunculus hederaceus | 4 | 1993 | 148 |
| Ranunculus lingua | 4 | 1993 | 148 |
| Ranunculus reptans | 4 | 1993 | 148 |
| Ranunculus sceleratus | 4 | 1993 | 148 |
| Ranunculus trichophyllus | 4 | 1993 | 149 |
| Regnellidium diphyllum | 4 | 1993 | 149 |
| Rorippa amphibia | 4 | 1993 | 149 |
| Rorippa palustris | 4 | 1993 | 149 |
| Rotala indica | 4 | 1993 | 152 |
| Rotala ramosior | 4 | 1993 | 152 |
| Rumex alpinus | 4 | 1993 | 152 |
| Rumex aquaticus | 4 | 1993 | 152 |
| Rumex conglomeratus | 4 | 1993 | 152 |
| Rumex hydrolapathum | 4 | 1993 | 153 |
| Ruppia maritima | 4 | 1993 | 153 |
| Sarracenia purpurea | 3 | 1993 | 95 |
| Sri Lanka | 4 | 1993 | 135 |
| Teichpflanzen | 2 | 1993 | 54 |
| Trapa species | 1 | 1993 | 19 |
| Wasserpflanzen (tropische) im Freiland (Ungarn) | 2 | 1993 | 68 |
| Apalanthe granatensis | 2 | 1994 | 71 |
| Aponogeton robinsonii | 2 | 1994 | 77 |
| Barclaya Iongifolia | 3 | 1994 | 119 |
| Barclaya motleyi | 3 | 1994 | 119 |
| Blütenbiologie | 2 | 1994 | 64 |
| Blyxa aubertii | 2 | 1994 | 72 |
| Blyxa japonica | 2 | 1994 | 75 |
| Blyxa octandra | 2 | 1994 | 72 |
| Cabomba caroliniana | 1 | 1994 | 31 |
| Cricotopus brevipalpis | 4 | 1994 | 151 |
| Cryptocoryne annamica | 2 | 1994 | 77 |
| Cryptocoryne beckettii | 1 | 1994 | 24 |
| Cryptocoryne ciliata | 2 | 1994 | 79 |
| Cryptocoryne thwaitesii | 1 | 1994 | 24 |
| Cryptocoryne thwaitesii | 1 | 1994 | 35 |
| Cryptocoryne undulata | 1 | 1994 | 36 |
| Cryptocoryne vietnamensis | 2 | 1994 | 77 |
| Cryptocoryne walkeri | 1 | 1994 | 36 |
| Cryptocoryne wendtii | 1 | 1994 | 24 |
| Cryptocoryne wendtii | 1 | 1994 | 36 |
| Cryptocoryne x willisii | 1 | 1994 | 37 |
| Cyperus helferi | 1 | 1994 | 29 |
| Donacia versicolorea | 4 | 1994 | 151 |
| Echinodorus ‚Rosé‘ | 3 | 1994 | 133 |
| Echinodorus glandulosus | 3 | 1994 | 127 |
| Echinodorus horemanii | 3 | 1994 | 133 |
| Echinodorus horizontalis | 3 | 1994 | 127 |
| Echinodorus longipetalus | 3 | 1994 | 127 |
| Echinodorus tunicatus | 3 | 1994 | 127 |
| Egeria densa | 2 | 1994 | 71 |
| Elodea canadensis | 3 | 1994 | 114 |
| Elodea nuttallii | 3 | 1994 | 114 |
| Elodea potamogeton | 3 | 1994 | 116 |
| Filter | 1 | 1994 | 40 |
| Filter | 3 | 1994 | 138 |
| Groenlandia densa | 4 | 1994 | 153 |
| Halophila ovata | 3 | 1994 | 117 |
| Heracleum mantegazzianum | 1 | 1994 | 42 |
| Hydrocharis chevalieri | 2 | 1994 | 70 |
| Hydrocharis dubia | 2 | 1994 | 70 |
| Hydrocharis morsus-ranae | 2 | 1994 | 70 |
| Hydrocharitaceae | 2 | 1994 | 64 |
| Lagenandra | 1 | 1994 | 20 |
| Lagenandra jacobsenii | 1 | 1994 | 20 |
| Lagenandra praetermissa | 1 | 1994 | 20 |
| Limnobium Iaevigatum | 3 | 1994 | 110 |
| Limnobium spongia | 3 | 1994 | 110 |
| Nechamandra alternifolia | 3 | 1994 | 118 |
| Ondinea purpurea | 1 | 1994 | 3 |
| Ottelia acuminata | 2 | 1994 | 65 |
| Ottelia alismoides | 2 | 1994 | 65 |
| Ottelia balansae | 2 | 1994 | 65 |
| Ottelia cordata | 2 | 1994 | 65 |
| Ottelia mesenterium | 2 | 1994 | 65 |
| Ottelia ovalifolia | 2 | 1994 | 65 |
| Ottelia sinensis | 2 | 1994 | 65 |
| Ottelia ulvifolia | 2 | 1994 | 65 |
| Potamogeton acutifolius | 4 | 1994 | 162 |
| Potamogeton alpinus | 4 | 1994 | 156 |
| Potamogeton aschersonii | 4 | 1994 | 167 |
| Potamogeton australiensis | 4 | 1994 | 174 |
| Potamogeton berchtoldii | 4 | 1994 | 163 |
| Potamogeton berteroanus | 4 | 1994 | 167 |
| Potamogeton chloratus | 4 | 1994 | 156 |
| Potamogeton compressus | 4 | 1994 | 162 |
| Potamogeton crispus | 4 | 1994 | 156 |
| Potamogeton crispus | 4 | 1994 | 165 |
| Potamogeton filiformis | 4 | 1994 | 161 |
| Potamogeton fluitans | 4 | 1994 | 149 |
| Potamogeton gayi | 4 | 1994 | 165 |
| Potamogeton gramineus | 4 | 1994 | 156 |
| Potamogeton lucens | 4 | 1994 | 150 |
| Potamogeton lucens | 4 | 1994 | 158 |
| Potamogeton malaianus | 4 | 1994 | 174 |
| Potamogeton mucronatus | 4 | 1994 | 163 |
| Potamogeton natans | 4 | 1994 | 150 |
| Potamogeton natans | 4 | 1994 | 151 |
| Potamogeton natans | 4 | 1994 | 158 |
| Potamogeton nodosus | 4 | 1994 | 149 |
| Potamogeton nodosus | 4 | 1994 | 158 |
| Potamogeton obtusifolius | 4 | 1994 | 163 |
| Potamogeton pectinatus | 4 | 1994 | 161 |
| Potamogeton pectinatus | 4 | 1994 | 165 |
| Potamogeton perfoliatus | 4 | 1994 | 158 |
| Potamogeton polygonifolius | 4 | 1994 | 159 |
| Potamogeton praelongus | 4 | 1994 | 159 |
| Potamogeton pusillus | 4 | 1994 | 163 |
| Potamogeton rutilus | 4 | 1994 | 163 |
| Potamogeton schweinfurthii | 4 | 1994 | 169 |
| Potamogeton tricarinatus | 4 | 1994 | 171 |
| Potamogeton trichoides | 4 | 1994 | 163 |
| Potamogeton uruguayensis | 4 | 1994 | 167 |
| Potamogeton wrightii | 4 | 1994 | 174 |
| Potamogeton x zizii | 4 | 1994 | 159 |
| Potamogetonaceae | 4 | 1994 | 147 |
| Potamogetonaceae, Literaturliste | 4 | 1994 | 177 |
| Sagittaria eatonii | 2 | 1994 | 87 |
| Sagittaria graminea | 2 | 1994 | 87 |
| Sagittaria latifolia | 2 | 1994 | 86 |
| Sagittaria natana | 2 | 1994 | 86 |
| Sagittaria sagittifolia | 2 | 1994 | 85 |
| Sagittaria sagittifolia | 2 | 1994 | 86 |
| Sagittaria sagittifolia | 3 | 1994 | 139 |
| Sagittaria subulata | 2 | 1994 | 87 |
| Sagittaria teres | 2 | 1994 | 86 |
| Salvinia auriculata | 2 | 1994 | 87 |
| Salvinia natans | 2 | 1994 | 87 |
| Samolus valerandi | 2 | 1994 | 87 |
| Sarracenia flava | 2 | 1994 | 89 |
| Sarracenia purpurea | 2 | 1994 | 89 |
| Saururus cernuus | 2 | 1994 | 89 |
| Saururus chinensis | 2 | 1994 | 89 |
| Saxifraga pensylvanica | 2 | 1994 | 90 |
| Saxifraga rotundifolia | 2 | 1994 | 90 |
| Saxifraga stellaris | 2 | 1994 | 90 |
| Schaupflanzenaquarien | 2 | 1994 | 59 |
| Scheuchzeria palustris | 2 | 1994 | 90 |
| Schizostylis coccinea | 2 | 1994 | 92 |
| Schoenoplectus americanus | 2 | 1994 | 92 |
| Schoenoplectus Iacustris | 2 | 1994 | 92 |
| Schoenoplectus mucronatus | 2 | 1994 | 92 |
| Schoenoplectus tabernaemontani | 2 | 1994 | 92 |
| Schoenoplectus triqueter | 2 | 1994 | 92 |
| Schoenus ferruginous | 3 | 1994 | 103 |
| Schoenus nigricans | 3 | 1994 | 103 |
| Scirpus cernuus | 3 | 1994 | 104 |
| Scirpus cyperinus | 3 | 1994 | 103 |
| Scirpus fluitans | 3 | 1994 | 104 |
| Scirpus radicans | 3 | 1994 | 103 |
| Scirpus silvaticus | 3 | 1994 | 103 |
| Scutellaria galericulata | 3 | 1994 | 105 |
| Scutellaria hastifolia | 3 | 1994 | 105 |
| Scutellaria minor | 3 | 1994 | 105 |
| Senecio aquaticus | 3 | 1994 | 106 |
| Senecio congestus | 3 | 1994 | 106 |
| Senecio congestus | 3 | 1994 | 134 |
| Senecio fluviatilis | 3 | 1994 | 105 |
| Senecio paludosus | 3 | 1994 | 106 |
| Sinarundinaria murielae | 3 | 1994 | 106 |
| Sinarundinaria nitida | 3 | 1994 | 106 |
| Sisyrinchium angustifolium | 3 | 1994 | 106 |
| Sisyrinchium californicum | 3 | 1994 | 106 |
| Sium Iatifolium | 3 | 1994 | 109 |
| Sium sisarum | 3 | 1994 | 109 |
| Solanum dulcamara | 3 | 1994 | 109 |
| Sonchus palustris | 3 | 1994 | 109 |
| Sri Lanka | 1 | 1994 | 20 |
| Stratiotes aloides | 1 | 1994 | 11 |
| Stratiotes aloides | 2 | 1994 | 68 |
| Thamnocalamus spathaceus | 3 | 1994 | 105 |
| Trigona-Bienen | 1 | 1994 | 8 |
| Umgekehrte Osmose | 2 | 1994 | 82 |
| Aponogeton decaryi | 2 | 1995 | 71 |
| Aponogeton satarensis | 2 | 1995 | 71 |
| Aponogeton-Hybriden | 2 | 1995 | 71 |
| Appertiella | 1 | 1995 | 32 |
| Araceae, System | 4 | 1995 | 152 |
| Caltha natans | 3 | 1995 | 109 |
| Cryptocoryne, systematische Stellung | 4 | 1995 | 152 |
| Cryptocorynen aus Vietnam | 1 | 1995 | 40 |
| Cryptocorynenfäule | 1 | 1995 | 38 |
| Cryptocorynenfäule | 2 | 1995 | 68 |
| Cryptocorynenfäule | 3 | 1995 | 121 |
| Drosera | 2 | 1995 | 51 |
| Enhalus | 1 | 1995 | 32 |
| Fleischfressende Pflanzen | 2 | 1995 | 51 |
| Halimeda | 4 | 1995 | 160 |
| Halophila | 2 | 1995 | 66 |
| Hottonia inflata | 2 | 1995 | 59 |
| Hottonia palustris | 2 | 1995 | 59 |
| Hydatellaceae | 3 | 1995 | 91 |
| Hydrilla | 2 | 1995 | 62 |
| Hydrocharitaceae, Blütenbiologie | 1 | 1995 | 29 |
| Hydrocharitaceae, Blütenbiologie | 2 | 1995 | 62 |
| Hydrocotyle tripartita | 3 | 1995 | 104 |
| Kalkalgen | 4 | 1995 | 160 |
| Lagarosiphon | 1 | 1995 | 33 |
| Maidenia | 1 | 1995 | 31 |
| Marsilea | 4 | 1995 | 137 |
| Nelumbo Iutea | 3 | 1995 | 98 |
| Nelumbo nucifera | 3 | 1995 | 98 |
| Nymphoides peltata | 4 | 1995 | 140 |
| Pinguicula | 2 | 1995 | 55 |
| Samenverbreitung Nymphoides peltata | 4 | 1995 | 140 |
| Shinnersia rivularis | 3 | 1995 | 114 |
| Teucrium scordium | 3 | 1995 | 114 |
| Thalassia | 2 | 1995 | 66 |
| Thalia dealbata | 3 | 1995 | 116 |
| Theiß-Gebiet | 2 | 1995 | 57 |
| Thelypteris palustris | 3 | 1995 | 116 |
| Trapa bicornis | 3 | 1995 | 116 |
| Trichocoronis rivularis | 3 | 1995 | 114 |
| Triglochin maritimum | 3 | 1995 | 119 |
| Triglochin palestre | 3 | 1995 | 119 |
| Trithuria konkanensis | 3 | 1995 | 91 |
| Tussilago fanfara | 4 | 1995 | 131 |
| Typha | 4 | 1995 | 131 |
| Utricularia | 4 | 1995 | 135 |
| Vallisneria | 1 | 1995 | 29 |
| Alternanthera aquatica | 3 | 1996 | 127 |
| Alternanthera philoxeroides | 3 | 1996 | 127 |
| Alternanthera sessilis | 3 | 1996 | 129 |
| Alternanthera tetramera | 3 | 1996 | 129 |
| Anubias-Arten | 1 | 1996 | 19 |
| Aponogeton-Arten | 1 | 1996 | 19 |
| Aponogeton angustifolius | 3 | 1996 | 143 |
| Aponogeton crinifolium | 3 | 1996 | 149 |
| Aponogeton distachyos | 3 | 1996 | 143 |
| Aponogeton madagascariensis | 2 | 1996 | 75 |
| Aqua Planta 20 Jahre | 2 | 1996 | 43 |
| Aquarienwasser | 2 | 1996 | 107 |
| Ausläufertreibende Pflanzen | 1 | 1996 | 19 |
| Barclaya rotundifolia | 2 | 1996 | 87 |
| Barclaya spec. | 4 | 1996 | 194 |
| Bartalgen | 1 | 1996 | 11 |
| Bodenunterflutersystem | 3 | 1996 | 130 |
| Brasenia schreberi | 1 | 1996 | 3 |
| Callitriche hermaphroditica | 4 | 1996 | 203 |
| CO2-Düngung | 1 | 1996 | 11 |
| Crinum-Arten | 1 | 1996 | 19 |
| Cryptocoryne-Arten | 1 | 1996 | 19 |
| Cryptocoryne amicorum | 4 | 1996 | 191 |
| Cryptocoryne gasseri | 4 | 1996 | 195 |
| Cryptocoryne hudoroi | 4 | 1996 | 167 |
| Cryptocoryne minima | 4 | 1996 | 191 |
| Cryptocoryne moehlmannii | 2 | 1996 | 45 |
| Cryptocoryne pontederiifolia | 2 | 1996 | 46 |
| Cryptocoryne zewaldiae | 4 | 1996 | 195 |
| Echinodorus-Arten | 1 | 1996 | 18 |
| Eichhornia crassipes | 4 | 1996 | 178 |
| Eisencitrat | 1 | 1996 | 12 |
| Elodea canadensis | 4 | 1996 | 174 |
| Elodea nuttallii | 4 | 1996 | 174 |
| Euryale ferox | 4 | 1996 | 202 |
| Hydrilla verticillata | 4 | 1996 | 178 |
| Hydrocotyle ranunculoides | 4 | 1996 | 183 |
| Hygrorhyza aristata | 3 | 1996 | 127 |
| Iris ensata | 2 | 1996 | 64 |
| Iris kaempferi | 2 | 1996 | 64 |
| Iris laevigata (einschl. Sorten) | 2 | 1996 | 62 |
| Jubiläumskongreß | 3 | 1996 | 155 |
| Kalkungsanlage | 1 | 1996 | 12 |
| Lagarosiphon major | 4 | 1996 | 178 |
| Licht | 2 | 1996 | 50 |
| Limnophila aromaticoides | 2 | 1996 | 95 |
| Limnophila sp. „Taiwan“ (= aromaticoides) | 2 | 1996 | 95 |
| Littorella americana | 4 | 1996 | 179 |
| Littorella australis | 4 | 1996 | 179 |
| Littorella uniflora | 4 | 1996 | 179 |
| Lobelia dortmanna | 1 | 1996 | 14 |
| Ludwigia helminthorrhiza | 3 | 1996 | 127 |
| Mikropräparate | 2 | 1996 | 66 |
| Najas marina | 3 | 1996 | 149 |
| Neptunia oleracea | 3 | 1996 | 127 |
| Nesaea sp. | 1 | 1996 | 28 |
| Neueinrichtung eines Pflanzenaquariums | 1 | 1996 | 15 |
| Organische Säuren | 4 | 1996 | 198 |
| Ottelia acuminata | 2 | 1996 | 47 |
| Ottelia alismoides | 2 | 1996 | 69 |
| Ottelia ulvifolia | 2 | 1996 | 69 |
| Pestizide | 3 | 1996 | 133 |
| Phosphatgehalt, Senken vom | 1 | 1996 | 12 |
| Photosynthese | 2 | 1996 | 52 |
| Pontederia cordata | 4 | 1996 | 178 |
| Rotala „Nanjenshan“ | 2 | 1996 | 99 |
| Ruppia maritima | 2 | 1996 | 104 |
| Spiranthes graminea | 2 | 1996 | 57 |
| Spiranthes odorata | 2 | 1996 | 57 |
| Stengelpflanzen | 1 | 1996 | 18 |
| Tagung HÖB | 2 | 1996 | 110 |
| Tagung in Japan | 2 | 1996 | 112 |
| Thalia geniculata | 2 | 1996 | 105 |
| Thalia dealbata | 2 | 1996 | 195 |
| Valeriana dioica | 1 | 1996 | 22 |
| Valeriana officinalis | 1 | 1996 | 22 |
| Valeriana sambucifolia | 1 | 1996 | 22 |
| Vallisneria americana | 1 | 1996 | 23 |
| Vallisneria caulescens | 4 | 1996 | 172 |
| Vallisneria gigantia | 1 | 1996 | 23 |
| Vallisneria gracilis | 4 | 1996 | 172 |
| Vallisneria nana | 4 | 1996 | 172 |
| Vallisneria neotropicalis | 1 | 1996 | 23 |
| Vallisneria sp. „Australien“ | 4 | 1996 | 170 |
| Vallisneria spiralis | 1 | 1996 | 23 |
| Vernonia crinita | 1 | 1996 | 25 |
| Veronica anagallis-aquatica | 1 | 1996 | 25 |
| Veronica beccabunga | 1 | 1996 | 25 |
| Veronica catenata | 1 | 1996 | 25 |
| Veronica scutellaria | 1 | 1996 | 25 |
| Veronicastrum virginicum | 1 | 1996 | 25 |
| Wasser | 2 | 1996 | 107 |
| Zantedeschia aethiopica | 2 | 1996 | 102 |
| Zantedeschia rehmannii | 2 | 1996 | 103 |
| Zannichellia palustris | 2 | 1996 | 104 |
| Zigadenus elegans | 2 | 1996 | 104 |
| Zizania aquatica | 2 | 1996 | 104 |
| Zizania latifolia | 2 | 1996 | 104 |
| Alternanthera reineckii | 3 | 1997 | 92 |
| Alternanthera sessilis | 3 | 1997 | 92 |
| Ammannia senegalensis | 3 | 1997 | 93 |
| Anemopsis californica | 3 | 1997 | 93 |
| Anubias gigantia | 4 | 1997 | 123 |
| Aponogeton-Arten | 3 | 1997 | 96 |
| Aponogeton angustifolius | 3 | 1997 | 96 |
| Aponogeton crispus | 3 | 1997 | 96 |
| Aponogeton distachyos | 3 | 1997 | 96 |
| Aponogeton madagascariensis | 3 | 1997 | 96 |
| Aponogeton ranunculiflorus | 3 | 1997 | 96 |
| Aponogeton tenuispicatus | 1 | 1997 | 13 |
| Aponogeton ulvaceus | 3 | 1997 | 96 |
| Appertiella hexandra | 2 | 1997 | 55 |
| Arundo donax | 3 | 1997 | 96 |
| Ausstellung (Berlin 1997) | 2 | 1997 | 51 |
| Azolla filiculoides | 2 | 1997 | 60 |
| Bacopa reflexa | 4 | 1997 | 144 |
| Barclaya motleyi | 3 | 1997 | 104 |
| Biotope | 1 | 1997 | 19 |
| Biotope | 1 | 1997 | 22 |
| Biotope | 4 | 1997 | 131 |
| Bodengrund | 4 | 1997 | 149 |
| Calla palustris | 4 | 1997 | 132 |
| CO2-Düngung | 3 | 1997 | 105 |
| CO2-Düngung | 3 | 1997 | 109 |
| Crassula aquatica (= C. helmsii) | 1 | 1997 | 30 |
| Crassula helmsii | 1 | 1997 | 30 |
| Cryptocoryne-Arten | 3 | 1997 | 100 |
| Cryptocoryne affinis | 3 | 1997 | 104 |
| Cryptocoryne albida | 3 | 1997 | 83 |
| Cryptocoryne bullosa | 3 | 1997 | 104 |
| Cryptocoryne ferruginea | 3 | 1997 | 102 |
| Cryptocoryne grabowskii | 3 | 1997 | 100 |
| Cryptocoryne keei | 3 | 1997 | 102 |
| Cryptocoryne moehlmannii | 2 | 1997 | 43 |
| Cryptocoryne pontederiifolia | 2 | 1997 | 43 |
| Cryptocoryne sp. (Vietnam) | 1 | 1997 | 3 |
| Cryptocoryne zonata | 3 | 1997 | 104 |
| Düngung des Bodengrundes | 1 | 1997 | 10 |
| Düngung des Bodengrundes | 3 | 1997 | 91 |
| Ehrung für Regionalgruppe Berlin-Brandenburg | 3 | 1997 | 99 |
| Elodea canadensis | 1 | 1997 | 28 |
| Emerse Kultur | 1 | 1997 | 7 |
| Emerse Kultur | 1 | 1997 | 13 |
| Exotische Pflanzen im Gartenteich | 2 | 1997 | 67 |
| Gährungskohlensäure | 3 | 1997 | 105 |
| Gährungskohlensäure | 3 | 1997 | 109 |
| Hydrocotyle vulgaris | 4 | 1997 | 136 |
| Hygrophila difformis | 1 | 1997 | 7 |
| Lagarosiphon madagascariensis | 2 | 1997 | 55 |
| Lieper Burg, Kleiner und Großer Teufelssee | 4 | 1997 | 131 |
| Ludwigia helminthorrhiza | 1 | 1997 | 18 |
| Ludwigia palustris x repens | 1 | 1997 | 7 |
| Menyanthes trifoliata | 4 | 1997 | 132 |
| Nymphaea alba | 4 | 1997 | 136 |
| Organische Säuren | 2 | 1997 | 62 |
| Ottelia alismoides | 4 | 1997 | 138 |
| Ottelia ulvifolia | 1 | 1997 | 16 |
| Potentilla palustris | 4 | 1997 | 133 |
| Shinnersia rivularis | 1 | 1997 | 7 |
| Stratiotes aloides | 1 | 1997 | 23 |
| Trebeltal | 1 | 1997 | 22 |
| Tümpeltour | 1 | 1997 | 28 |
| Utricularia vulgaris | 4 | 1997 | 137 |
| Aponogeton appendiculatus | 2 | 1998 | 54 |
| Aponogeton appendiculatus x A. undulatus (?) | 2 | 1998 | 54 |
| Aponogeton bernierianus | 4 | 1998 | 154 |
| Aponogeton bruggenii | 2 | 1998 | 54 |
| Aponogeton decaryi | 2 | 1998 | 54 |
| Aponogeton madagascariensis var. henkelianus | 1 | 1998 | 3 |
| Aponogeton madagascariensis var. madagascariensis | 1 | 1998 | 3 |
| Aponogeton madagascariensis var. major | 1 | 1998 | 3 |
| Aponogeton satarensis | 2 | 1998 | 54 |
| Aponogeton undulatus | 2 | 1998 | 54 |
| Ausstellung (Helm – Tier und Pflanze 1998) | 3 | 1998 | 96 |
| Bacopa caroliniana | 1 | 1998 | 17 |
| Bacopa monnieri | 1 | 1998 | 17 |
| Biotope | 2 | 1998 | 72 |
| Blyxa japonica | 1 | 1998 | 18 |
| Bolbitis heudelotii | 1 | 1998 | 18 |
| Brasenia schreberi | 1 | 1998 | 19 |
| Bruggen, Harry van, wurde 70 Jahre aIt | 1 | 1998 | 32 |
| Cabomba caroliniana | 1 | 1998 | 19 |
| Canna flaccida | 1 | 1998 | 19 |
| Canna indica-Hybriden | 1 | 1998 | 19 |
| Crassula helmsii | 2 | 1998 | 43 |
| Cryptocoryne aponogetifolia | 3 | 1998 | 113 |
| Cryptocoryne crispatula | 3 | 1998 | 120 |
| Cryptocoryne crispatula var. sinensis | 3 | 1998 | 120 |
| Cryptocoryne fusca | 4 | 1998 | 143 |
| Cryptocoryne Iongicauda | 4 | 1998 | 139 |
| Cryptocoryne usteriana | 3 | 1998 | 113 |
| Cryptocoryne zonata | 4 | 1998 | 142 |
| Cryptocorynenbefruchtung | 3 | 1998 | 123 |
| Cymodocea nodosa | 2 | 1998 | 49 |
| Düngung des Bodengrundes | 1 | 1998 | 22 |
| Echinodorus-Arten | 3 | 1998 | 111 |
| Echinodorus glancus | 3 | 1998 | 107 |
| Echinodorus paniculatus | 3 | 1998 | 107 |
| Echinodorus teretoscapus | 3 | 1998 | 109 |
| Eggers, Gerd, Hohe Auszeichnung für | 3 | 1998 | 101 |
| Gärtnerei Horticultura Las Lucanas | 4 | 1998 | 145 |
| Glyceria fluitans | 2 | 1998 | 72 |
| Hydrotriche hottoniiflora | 4 | 1998 | 152 |
| Hygrophila corymbosa | 4 | 1998 | 148 |
| Hygrophila difformis | 1 | 1998 | 25 |
| Internet | 1 | 1998 | 28 |
| Internet | 2 | 1998 | 68 |
| Internet | 3 | 1998 | 116 |
| Kelp | 1 | 1998 | 12 |
| Laminaria groenlandica | 1 | 1998 | 12 |
| Limnophila aromatica | 2 | 1998 | 79 |
| Limnophila aromaticoides | 2 | 1998 | 79 |
| Ludwigia palustris x repens | 1 | 1998 | 25 |
| Lythrum portula | 3 | 1998 | 91 |
| Macrocystis integrifolia | 1 | 1998 | 12 |
| Microsorum pteropus | 4 | 1998 | 145 |
| Nebel, Im TaI der | 2 | 1998 | 72 |
| Nereocystis luetkeana | 1 | 1998 | 12 |
| Nereocystis sp. | 1 | 1998 | 12 |
| Nuphar Iutea | 2 | 1998 | 49 |
| Nuphar Iutea | 2 | 1998 | 75 |
| Nymphaea alba | 2 | 1998 | 75 |
| Pflanzen-Patenschaften | 4 | 1998 | 164 |
| Shinnersia rivularis | 1 | 1998 | 25 |
| Sparganium emersum | 2 | 1998 | 72 |
| Sparganium erectum | 2 | 1998 | 74 |
| Thalasia testudinum | 2 | 1998 | 49 |
| Topfkultur im Aquarium | 3 | 1998 | 102 |
| Triglochin maritima | 4 | 1998 | 158 |
| Triglochin palustris | 4 | 1998 | 158 |
| Triglochin procera | 4 | 1998 | 158 |
| Triglochin striata | 4 | 1998 | 158 |
| Vallisneria nana | 1 | 1998 | 16 |
| Ajuga reptans | 4 | 1999 | 146 |
| Ausstellung Heim-Tier-Pflanze | 4 | 1999 | 157 |
| Botanischer Garten München | 2 | 1999 | 79 |
| Botanischer Garten Göttingen | 1 | 1999 | 3 |
| Botanischer Garten Göttingen | 2 | 1999 | 74 |
| Butomus umbellatus | 1 | 1999 | 6 |
| Caltha palustris | 1 | 1999 | 31 |
| Cardamine lyrata | 3 | 1999 | 91 |
| Cardamine pratensis | 1 | 1999 | 31 |
| Carex elata | 4 | 1999 | 146 |
| Ceratophyllum demersum | 1 | 1999 | 19 |
| Ceratopteris cornuta | 3 | 1999 | 91 |
| Ceratopteris thalictroides | 3 | 1999 | 91 |
| Chromosomenuntersuchungen (Echinodorus) | 4 | 1999 | 135 |
| Crinum x powellii | 3 | 1999 | 91 |
| Crinum thaianum | 3 | 1999 | 91 |
| Cryptocorynekultur (emers) | 2 | 1999 | 50 |
| Cryptocorynen im Gartenteich | 3 | 1999 | 93 |
| Cryptocoryne alba | 2 | 1999 | 51 |
| Cryptocoryne affinis | 1 | 1999 | 7 |
| Cryptocoryne aponogetifolia | 1 | 1999 | 27 |
| Cl’yptocoryne beckettii | 3 | 1999 | 93 |
| Cl’yptocoryne beckettii | 3 | 1999 | 116 |
| Cryptocoryne bogneri | 2 | 1999 | 51 |
| Cryptocoryne ciliata | 3 | 1999 | 93 |
| Cryptocoryne cordata | 1 | 1999 | 7 |
| Cryptocoryne cordata | 2 | 1999 | 53 |
| Cryptocoryne coronata | 1 | 1999 | 23 |
| Cryptocoryne crispatula | 1 | 1999 | 7 |
| Cryptocoryne diderici | 3 | 1999 | 114 |
| Cryptocoryne elliptica | 1 | 1999 | 8 |
| Cryptocoryne elliptica | 2 | 1999 | 53 |
| Cryptocoryne fusca | 1 | 1999 | 7 |
| Cryptocoryne griffithii | 1 | 1999 | 7 |
| Cryptocoryne hudoroi | 1 | 1999 | 7 |
| Cryptocoryne Iongicauda | 1 | 1999 | 8 |
| Cryptocoryne Iongicauda | 2 | 1999 | 53 |
| Cryptocoryne moehlmannii | 1 | 1999 | 7 |
| Cryptocoryne pallidinervia | 2 | 1999 | 52 |
| Cryptocoryne pontederiifolia | 2 | 1999 | 53 |
| Cryptocoryne purpurea | 1 | 1999 | 7 |
| Cryptocoryne schulzei | 1 | 1999 | 7 |
| Cryptocoryne spiralis | 1 | 1999 | 7 |
| Cryptocoryne thwaitesii | 1 | 1999 | 7 |
| Cryptocoryne thwaitesii | 2 | 1999 | 51 |
| Cryptocoryne usteriana | 1 | 1999 | 7 |
| Cryptocoryne usteriana | 1 | 1999 | 23 |
| Cryptocoryne wendtii | 1 | 1999 | 8 |
| Cryptocoryne wendtii | 2 | 1999 | 63 |
| Cryptocoryne wendtii | 3 | 1999 | 93 |
| Cryptocoryne x willisii | 3 | 1999 | 116 |
| Cyperus alternifolius | 3 | 1999 | 93 |
| Cyperus capensis | 3 | 1999 | 94 |
| Cyperus diffusus | 3 | 1999 | 94 |
| Cyperus gracilis | 3 | 1999 | 94 |
| Cyperus haspan | 3 | 1999 | 94 |
| Cyperus papyrus | 3 | 1999 | 94 |
| Cyperus zumula | 3 | 1999 | 94 |
| Dactylorhiza spec | 4 | 1999 | 147 |
| Ehrung Kaspar Horst und Kurt Paffrath | 1 | 1999 | 35 |
| Echinodorus (Chromosomenzahlen) | 4 | 1999 | 141 |
| Echinodorus amazonicus | 4 | 1999 | 135 |
| Echinodorus angustifolius | 4 | 1999 | 135 |
| Echinodorus argentinensis | 3 | 1999 | 107 |
| Echinodorus bleheri | 4 | 1999 | 135 |
| Echinodorus bolivianus | 4 | 1999 | 135 |
| Echinodorus bolivianus-Komplex | 4 | 1999 | 138 |
| Echinodorus cylindricus | 3 | 1999 | 105 |
| Echinodorus glaucus | 3 | 1999 | 105 |
| Echinodorus grandiflorus | 3 | 1999 | 107 |
| Echinodorus grisebachii | 4 | 1999 | 135 |
| Echinodorus grisebachii-Komplex | 4 | 1999 | 139 |
| Echinodorus Iongiscapus | 3 | 1999 | 107 |
| Echinorus macrophyllus | 3 | 1999 | 110 |
| Echinodorus paniculatus | 3 | 1999 | 106 |
| Echinodorus parviflorus | 4 | 1999 | 135 |
| Echinodorus quadricostatus | 4 | 1999 | 135 |
| Echinodorus subalatus | 3 | 1999 | 109 |
| Echinodorus teretoscapus | 3 | 1999 | 106 |
| Echinodorus trialatus | 3 | 1999 | 106 |
| Echinodorus uruguayensis | 3 | 1999 | 110 |
| Echinodorus uruguayensis-Komplex | 4 | 1999 | 139 |
| Eichhornia crassipes | 2 | 1999 | 77 |
| Elodea canadensis | 1 | 1999 | 32 |
| Filipendula ulmaria | 4 | 1999 | 146 |
| Fritillaria meleagris | 1 | 1999 | 29 |
| Geum rivale | 4 | 1999 | 146 |
| Glyceria sp. | 1 | 1999 | 32 |
| Hottonia palustris | 1 | 1999 | 19 |
| Iris pseudacorus | 1 | 1999 | 32 |
| Juncus repens | 3 | 1999 | 102 |
| Lilium martagon | 1 | 1999 | 31 |
| Ludwigia adscendens ssp. diffusa | 1 | 1999 | 9 |
| Ludwigia palustris | 1 | 1999 | 11 |
| Lychnis flos-cuculi | 4 | 1999 | 149 |
| Marsilea muitica | 2 | 1999 | 77 |
| Myriophyllum alterniflorum | 1 | 1999 | 19 |
| Myriophyllum aquaticum | 2 | 1999 | 58 |
| Myriophyllum spicatum | 1 | 1999 | 19 |
| Myriophyllum verticillatum | 1 | 1999 | 17 |
| Myrothecum roridum | 4 | 1999 | 131 |
| Nymphaea alba | 2 | 1999 | 71 |
| Nymphaea ‚Anna Epple‘ | 1 | 1999 | 4 |
| Nymphaea lotus | 2 | 1999 | 66 |
| Nymphaea thermalis | 2 | 1999 | 73 |
| Nymphoides aquatica | 2 | 1999 | 47 |
| Nymphoides sp. „Taiwan“ | 2 | 1999 | 47 |
| Pflanzenpatenschafften | 3 | 1999 | 112 |
| Phragmites australis | 1 | 1999 | 11 |
| Pilze, Parasitische | 4 | 1999 | 131 |
| Polygonum bistorta | 4 | 1999 | 146 |
| Potamogeton pectinatus | 1 | 1999 | 11 |
| Ranunculus acer | 1 | 1999 | 31 |
| Region Bayern-Süd | 3 | 1999 | 118 |
| Rhizoctonia spec. | 4 | 1999 | 133 |
| Ricciocarpus natans | 1 | 1999 | 4 |
| Symphytum officinale | 1 | 1999 | 31 |
| Teichanlage in Göttingen | 1 | 1999 | 3 |
| Trollius chinensis | 4 | 1999 | 147 |
| Trollius europaeus | 4 | 1999 | 142 |
| Trollius pumilus | 4 | 1999 | 147 |
| Vallisneria americana | 3 | 1999 | 95 |
| Vallisneria americana | 4 | 1999 | 155 |
| Vallisneria annua | 3 | 1999 | 95 |
| Vallisneria annua | 4 | 1999 | 152 |
| Vallisneria caulescens | 3 | 1999 | 95 |
| Vallisneria caulescens | 4 | 1999 | 152 |
| Vallisneria gigantea | 3 | 1999 | 95 |
| Vallisneria gracilis | 3 | 1999 | 95 |
| Vallisneria nana | 3 | 1999 | 95 |
| Vallisneria nana | 4 | 1999 | 154 |
| Vallisneria spiralis | 3 | 1999 | 95 |
| Vallisneria spiralis var. denseserrulata | 3 | 1999 | 95 |
| Vallisneria triptera | 3 | 1999 | 96 |
| Vallisneria triptera | 4 | 1999 | 151 |
| Wit, Dr. H. C. D. | 2 | 1999 | 65 |
| Wolffiella oblonga | 2 | 1999 | 76 |
| Ajuga reptans | 3 | 2000 | 109 |
| Aponogeton bullosus | 4 | 2000 | 143 |
| Aponogeton distachyos | 4 | 2000 | 142 |
| Aponogeton elongatus | 4 | 2000 | 142 |
| Aponogeton elongatus sp. fluitans | 4 | 2000 | 143 |
| Aponogeton euryspermus | 4 | 2000 | 143 |
| Aponogeton hexatepalus | 4 | 2000 | 142 |
| Aponogeton kimberleyensis | 4 | 2000 | 142 |
| Aponogeton lancesmithii | 4 | 2000 | 142 |
| Aponogeton proliferus | 4 | 2000 | 144 |
| Aponogeton queenslandicus | 4 | 2000 | 143 |
| Aponogeton vanbruggenii | 4 | 2000 | 143 |
| Aquarium, gut funktionierendes | 1 | 2000 | 19 |
| Ausstellung Heim-Tier-Pflanze | 2 | 2000 | 56 |
| Ausstellung Heim-Tier-Pflanze | 3 | 2000 | 114 |
| Azolla rubra | 4 | 2000 | 141 |
| Bogner, Josef | 2 | 2000 | 55 |
| Chara spec | 3 | 2000 | 92 |
| CO2 und Licht | 4 | 2000 | 148 |
| Crassula helmsii | 4 | 2000 | 135 |
| Cryptocoryne pygmaea | 3 | 2000 | 99 |
| Dactylorhiza spec | 3 | 2000 | 109 |
| Damasonium polyspermum | 3 | 2000 | 94 |
| Darlingtonia californica | 3 | 2000 | 94 |
| Dionaea muscipula | 3 | 2000 | 95 |
| Drosera binata | 3 | 2000 | 95 |
| Drosera capensis | 3 | 2000 | 95 |
| Drosera dichotoma | 3 | 2000 | 95 |
| Drosera filiformis | 3 | 2000 | 95 |
| Echinodorus cordifolius | 2 | 2000 | 51 |
| Echinodorus cordifolius | 3 | 2000 | 95 |
| Echinodorus decumbens | 1 | 2000 | 3 |
| Echinodorus grandiflorus | 3 | 2000 | 95 |
| Echinorus macrophyllus | 3 | 2000 | 95 |
| Echinodorus ovalis | 2 | 2000 | 51 |
| Echinodorus paniculatus | 1 | 2000 | 3 |
| Echinodorus tenellus | 3 | 2000 | 95 |
| Eichhornia azurea | 2 | 2000 | 49 |
| Eichhornia crassipes | 2 | 2000 | 47 |
| Eichhornia crassipes | 3 | 2000 | 97 |
| Elatine gratioloides | 4 | 2000 | 135 |
| Eleocharis pusilla | 4 | 2000 | 135 |
| Epipactis palustris | 3 | 2000 | 109 |
| Eriophorurn angustifoliurn | 3 | 2000 | 109 |
| Eriophorurn vaginatum | 3 | 2000 | 109 |
| Euphrasia officinalis | 3 | 2000 | 109 |
| Fissidens berteri | 3 | 2000 | 91 |
| Galerucella nymphaeae | 2 | 2000 | 62 |
| Geum rivale | 3 | 2000 | 109 |
| Glossostigma diandrum | 4 | 2000 | 135 |
| Glossostigma elatinoides | 4 | 2000 | 135 |
| Hygrophila difformis | 4 | 2000 | 129 |
| Hypnodendron marginatum | 3 | 2000 | 91 |
| Isoetes kirkii | 4 | 2000 | 134 |
| Isoetes spec. | 4 | 2000 | 134 |
| Lagarosiphon cordofanus | 1 | 2000 | 25 |
| Licht und CO2 | 4 | 2000 | 148 |
| Lilaeopsis novae-zelandiae | 4 | 2000 | 132 |
| Lilaeopsis ruthiana | 4 | 2000 | 132 |
| Lobelia cardinalis | 4 | 2000 | 129 |
| Ludwigia palustris | 1 | 2000 | 11 |
| Ludwigia repens | 1 | 2000 | 12 |
| Ludwigia repens | 4 | 2000 | 129 |
| Mitgliederwerbung | 3 | 2000 | 113 |
| Myriophyllum propinquum | 4 | 2000 | 132 |
| Myriophyllum robustum | 4 | 2000 | 132 |
| Myriophyllum triphyllum | 4 | 2000 | 132 |
| Myrothecum roridum | 2 | 2000 | 60 |
| Neuseeländische Pflanzen | 3 | 2000 | 87 |
| Nitella spec | 3 | 2000 | 92 |
| Nymphaea-Hybride ‚Fröbelii‘ (weißblühend) | 1 | 2000 | 29 |
| Nymphaea rubra | 2 | 2000 | 62 |
| Ononis spinosa | 3 | 2000 | 109 |
| Ottelia alismoides | 1 | 2000 | 30 |
| Pflanzenpatenschafften | 1 | 2000 | 16 |
| Pilularia novae-zelandiae | 4 | 2000 | 135 |
| Pinguicula vulgaris | 3 | 2000 | 109 |
| Polygonum bistorta | 3 | 2000 | 109 |
| Potamogeton cheesemanii | 4 | 2000 | 131 |
| Potamogeton crispus | 4 | 2000 | 131 |
| Potamogeton gayii | 4 | 2000 | 131 |
| Potamogeton ochreatus | 4 | 2000 | 131 |
| Potamogeton pectinatus | 4 | 2000 | 131 |
| Potamogeton suboblongus | 4 | 2000 | 131 |
| Ranunculus amphitrichus | 4 | 2000 | 135 |
| Riccia fluitans | 4 | 2000 | 151 |
| Salvinia natans | 2 | 2000 | 67 |
| Saururus cernuus | 4 | 2000 | 130 |
| Triglochin striatum | 4 | 2000 | 132 |
| Trapa natans | 2 | 2000 | 67 |
| Vesicularia dubyana | 1 | 2000 | 18 |
| Ammannia gracilis | 2 | 2001 | 89 |
| Aponogeton bernierianus | 4 | 2001 | 159 |
| Aponogeton boivinianus | 4 | 2001 | 159 |
| Aponogeton bullosus | 1 | 2001 | 18 |
| Aponogeton capuronii | 4 | 2001 | 159 |
| Aponogeton cordatus | 4 | 2001 | 159 |
| Aponogeton decaryi | 2 | 2001 | 60 |
| Aponogeton decaryi | 4 | 2001 | 170 |
| Aponogeton distachyos | 1 | 2001 | 16 |
| Aponogeton eggersii | 2 | 2001 | 61 |
| Aponogeton eggersii | 2 | 2001 | 69 |
| Aponogeton elongatus | 3 | 2001 | 125 |
| Aponogeton elongatus sp. fluitans | 3 | 2001 | 125 |
| Aponogeton euryspermus | 3 | 2001 | 121 |
| Aponogeton hexatepalus | 1 | 2001 | 16 |
| Aponogeton kimberleyensis | 3 | 2001 | 120 |
| Aponogeton lancesmithii | 1 | 2001 | 17 |
| Aponogeton proliferus | 1 | 2001 | 14 |
| Aponogeton queenslandicus | 1 | 2001 | 19 |
| Aponogeton schatzianus | 4 | 2001 | 155 |
| Aponogeton tenuispicatus | 4 | 2001 | 159 |
| Aponogeton ulvaceus | 2 | 2001 | 60 |
| Aponogeton ulvaceus | 4 | 2001 | 159 |
| Aponogeton ulvaceus | 4 | 2001 | 170 |
| Aponogeton vanbruggenii | 3 | 2001 | 124 |
| Aponogeton vallisnerioides | 3 | 2001 | 130 |
| Arbeitskreis Wasserpflanzen 25 Jahre | 2 | 2001 | 43 |
| Bestäubung Cryptocorynen | 3 | 2001 | 117 |
| Biotop auf Madagaskar | 2 | 2001 | 55 |
| Butomus umbellatus | 2 | 2001 | 81 |
| Callitriche stagnalis | 2 | 2001 | 85 |
| Carex bohemica | 1 | 2001 | 23 |
| Ceratopteris cornuta | 2 | 2001 | 60 |
| Chrysanthemum serotinum | 3 | 2001 | 127 |
| Cryptocorynenbestäubung | 3 | 2001 | 117 |
| Cryptocoryne alba | 2 | 2001 | 50 |
| Cryptocoryne annamica | 1 | 2001 | 25 |
| Cryptocoryne aponogetifolia | 2 | 2001 | 82 |
| Cryptocoryne ciliata | 4 | 2001 | 172 |
| Cryptocoryne cordata | 2 | 2001 | 86 |
| Cryptocoryne cordata | 4 | 2001 | 174 |
| Cryptocoryne griffithii | 4 | 2001 | 172 |
| Clyptocoryne nurii | 4 | 2001 | 175 |
| Cryptocoryne purpurea | 4 | 2001 | 173 |
| Cryptocoryne x timahensis | 4 | 2001 | 172 |
| Cryptocoryne usteriana | 2 | 2001 | 82 |
| Cryptocoryne usteriana | 2 | 2001 | 82 |
| Cryptocoryne x willisii | 4 | 2001 | 175 |
| Echinodorus aschersonianus | 2 | 2001 | 93 |
| Echinodorus ‚Frans Stoffels‘ | 4 | 2001 | 154 |
| Echinodorus ‚Lothario‘ | 4 | 2001 | 154 |
| Echinodorus ‚Regina Hildebrandt‘ | 4 | 2001 | 154 |
| Echinodorus ‚Tanzende Feuerfeder‘ | 4 | 2001 | 154 |
| Eichhornia-Arten | 2 | 2001 | 91 |
| Eichhornia crassipes | 4 | 2001 | 167 |
| Eichhornia natans | 4 | 2001 | 167 |
| Elatine hydropiper | 1 | 2001 | 23 |
| Eleocharis acicularis | 1 | 2001 | 23 |
| Eleocharis ovata | 1 | 2001 | 23 |
| Exotische Pflanzen im Freiland | 1 | 2001 | 10 |
| Hottonia palustris | 2 | 2001 | 92 |
| Hydrilla verticillata | 3 | 2001 | 133 |
| Hydrocotyle vulgaris | 1 | 2001 | 23 |
| Hygrophila difformis | 2 | 2001 | 92 |
| Hydrotriche hottoniiflora | 2 | 2001 | 60 |
| Hydrotriche hottoniiflora | 2 | 2001 | 170 |
| Lagarosiphon cordofanus | 2 | 2001 | 92 |
| Lagarosiphon madagascariensis | 2 | 2001 | 60 |
| Limnophila aromaticoides | 2 | 2001 | 92 |
| Lindernia parviflora | 2 | 2001 | 60 |
| Lindernia parviflora | 4 | 2001 | 170 |
| Ludwigia glandulosa | 2 | 2001 | 92 |
| Ludwigia inclinata | 2 | 2001 | 92 |
| Lysimachia thyrsiflora | 4 | 2001 | 181 |
| Micranthemum umbrosum | 2 | 2001 | 87 |
| Myriophyllum mattogrossense | 2 | 2001 | 92 |
| Najas marina | 1 | 2001 | 23 |
| Nesaea-Arten | 2 | 2001 | 91 |
| Nesaea pedicellata | 2 | 2001 | 91 |
| Nitella microcarpa | 1 | 2001 | 13 |
| Nymphoidesthunbergiana | 2 | 2001 | 60 |
| Pflanzenpatenschafften | 1 | 2001 | 7 |
| Potamogeton acutifolius | 1 | 2001 | 23 |
| Potameton gamineus | 1 | 2001 | 23 |
| Potamogeton natant | 1 | 2001 | 23 |
| Potamogeton pusillus | 1 | 2001 | 23 |
| Potamogeton trichoides | 1 | 2001 | 23 |
| Problempflanzen | 2 | 2001 | 86 |
| Ranunculus hederaceus | 2 | 2001 | 84 |
| Riccia fluitans | 4 | 2001 | 170 |
| Sagittaria sagittifolia | 2 | 2001 | 76 |
| Saururus cernuus | 4 | 2001 | 160 |
| Saururus chinensis | 4 | 2001 | 160 |
| Scholleropsis Iutea | 4 | 2001 | 167 |
| Triglochin maritimum | 1 | 2001 | 3 |
| Triglochin palustre | 1 | 2001 | 3 |
| Triglochin procerum | 1 | 2001 | 3 |
| Utricularia inflexa | 2 | 2001 | 60 |
| Utricularia neglecta | 1 | 2001 | 23 |
| Aeschynomene fluitans | 3 | 2002 | 92 |
| Aponogeton eggersii | 3 | 2002 | 109 |
| Aponogeton masoalaensis | 4 | 2002 | 133 |
| Aponogeton tenuispicatus | 4 | 2002 | 133 |
| Aqua-Terrarium | 3 | 2002 | 107 |
| Aquarien in Amerika | 2 | 2002 | 59 |
| Barclaya motleyi | 2 | 2002 | 53 |
| Blyxa echinosperma | 2 | 2002 | 53 |
| Ceratophyllum demersum | 3 | 2002 | 111 |
| Ceratophyllum submersum | 3 | 2002 | 111 |
| Cryptocoryne albida | 3 | 2002 | 101 |
| Cryptocoryne annamica | 2 | 2002 | 67 |
| Cryptocoryne ciliata | 3 | 2002 | 96 |
| Cryptocoryne cordata | 2 | 2002 | 54 |
| Cryptocoryne cordata | 3 | 2002 | 98 |
| Cryptocoryne cordata | 4 | 2002 | 150 |
| Cryptocoryne cordata var. cordata | 4 | 2002 | 151 |
| Cryptocoryne cordata var. diderici | 4 | 2002 | 151 |
| Cryptocoryne cordata var. grabowskii | 4 | 2002 | 151 |
| Cryptocoryne cordata var. zonata | 4 | 2002 | 151 |
| Cryptocoryne cordata var. zonata | 4 | 2002 | 154 |
| Cryptocoryne crispatula var. balansae | 3 | 2002 | 97 |
| Cryptocoryne diderici | 4 | 2002 | 151 |
| Cryptocoryne grabowskii | 4 | 2002 | 151 |
| Cryptocoryne griffithii | 2 | 2002 | 52 |
| Cryptocoryne griffithii | 4 | 2002 | 154 |
| Cryptocoryne x purpurea | 2 | 2002 | 51 |
| Cryptocoryne x purpurea nothovar. borneoensis | 4 | 2002 | 152 |
| Cryptocoryne x purpurea nothovar. purpurea | 4 | 2002 | 154 |
| Cryptocoryne uenoi | 4 | 2002 | 147 |
| Cryptocoryne vietnamensis | 2 | 2002 | 67 |
| Cryptocoryne yujii | 4 | 2002 | 145 |
| Cryptocoryne zonata | 4 | 2002 | 151 |
| Echinodorus cylindricus | 1 | 2002 | 7 |
| Echinodorus decumbens | 1 | 2002 | 15 |
| Echinodorus glaucus | 1 | 2002 | 7 |
| Echinodorus lanceolatus | 1 | 2002 | 7 |
| Echinodorus macrocarpus | 1 | 2002 | 7 |
| Echinodorus macrocarpus | 3 | 2002 | 89 |
| Echinodorus macrocarpus ssp. scaber | 3 | 2002 | 84 |
| Echinodorus palaefolius | 1 | 2002 | 15 |
| Echinodorus paniculatus | 1 | 2002 | 7 |
| Echinodorus piauhyensis | 1 | 2002 | 15 |
| Echinodorus subalatus | 1 | 2002 | 15 |
| Echinodorus tenellus | 1 | 2002 | 11 |
| Echinodorus teretoscapus | 1 | 2002 | 7 |
| Echinodorus trialatus | 1 | 2002 | 7 |
| Eggers, Gerd | 1 | 2002 | 30 |
| Equisetum hyemale | 1 | 2002 | 23 |
| European Cryptocoryne Society | 4 | 2002 | 155 |
| Kasselmann, Christel | 1 | 2002 | 4 |
| Lagenandra gomezii | 1 | 2002 | 16 |
| Lagenandra keralensis | 1 | 2002 | 16 |
| Lagenandra nairii | 1 | 2002 | 21 |
| Lagenandra undulata | 1 | 2002 | 16 |
| Lehmann, Karin | 1 | 2002 | 3 |
| Literaturbesprechungen | 1 | 2002 | 32 |
| Literaturbesprechungen | 2 | 2002 | 72 |
| Literaturbesprechungen | 3 | 2002 | 118 |
| Literaturbesprechungen | 4 | 2002 | 158 |
| Ludwigia sedoides | 2 | 2002 | 44 |
| Marsilea mutica | 1 | 2002 | 29 |
| Microcarpaea minima | 3 | 2002 | 103 |
| Nelumbo nucifera | 2 | 2002 | 45 |
| Neptunia oleracea | 3 | 2002 | 93 |
| Nymphaea thermarum | 2 | 2002 | 47 |
| Pflanzenpatenschaften | 1 | 2002 | 27 |
| Phyllanthus fluitans | 2 | 2002 | 49 |
| Potamogeton malaianus | 2 | 2002 | 56 |
| Regionalgruppe Sachsen | 2 | 2002 | 75 |
| Regnellidium diphyllum | 1 | 2002 | 23 |
| Regnellidium diphyllum | 2 | 2002 | 50 |
| Salvinia natans | 1 | 2002 | 23 |
| Acorus calamus | 1 | 2003 | 7 |
| Anabaena azollae | 4 | 2003 | 128 |
| Aponogeton abyssinicus | 4 | 2003 | 143 |
| Aponogeton bernierianus | 4 | 2003 | 142 |
| Aponogeton boivinianus | 4 | 2003 | 142 |
| Aponogeton capuronii | 4 | 2003 | 142 |
| Aponogeton crispus | 4 | 2003 | 143 |
| Aponogeton desertorum | 4 | 2003 | 143 |
| Aponogeton distachyos | 4 | 2003 | 142 |
| Aponogeton elongatus | 4 | 2003 | 143 |
| Aponogeton jacobsenii | 4 | 2003 | 143 |
| Aponogeton lakhonensis | 4 | 2003 | 143 |
| Aponogeton loriae | 4 | 2003 | 152 |
| Aponogeton madagascariensis | 4 | 2003 | 142 |
| Aponogeton natans | 4 | 2003 | 143 |
| Aponogeton queenslandicus | 4 | 2003 | 143 |
| Aponogeton robinsonii | 4 | 2003 | 143 |
| Aponogeton sp. (Irian Yaja) | 4 | 2003 | 152 |
| Aponogeton sp. (Sulawesi) | 4 | 2003 | 153 |
| Aponogeton subconjugatus | 4 | 2003 | 143 |
| Aponogeton undulatus | 4 | 2003 | 149 |
| Aponogeton womersleyi | 4 | 2003 | 152 |
| Aquatic Gardeners Conference 2002 | 3 | 2003 | 113 |
| Azollaceae | 4 | 2003 | 127 |
| Azolla caroliniana | 4 | 2003 | 127 |
| Azolla filiculoides | 4 | 2003 | 127 |
| Azolla mexicana | 4 | 2003 | 127 |
| Azolla microphylla | 4 | 2003 | 127 |
| Azolla nilotica | 4 | 2003 | 127 |
| Azolla pinnata | 4 | 2003 | 127 |
| Azolla tegeliensis | 4 | 2003 | 127 |
| Bacopa monnieri | 3 | 2003 | 111 |
| Bacopa reflexa | 2 | 2003 | 72 |
| Barclaya longifolia | 1 | 2003 | 16 |
| Cabomba furcata | 2 | 2003 | 72 |
| Calla palustris | 1 | 2003 | 7 |
| Chara species | 2 | 2003 | 48 |
| Cryptocoryne-Arten | 2 | 2003 | 62 |
| Cryptocoryne albida | 1 | 2003 | 12 |
| Cryptocoryne ciliata | 1 | 2003 | 12 |
| Cryptocoryne cordata | 1 | 2003 | 12 |
| Cryptocoryne crispatula var. balansae | 1 | 2003 | 12 |
| Cryptocoryne crispatula var. crispatula | 1 | 2003 | 12 |
| Cryptocoryne crispatula var. crispatula | 4 | 2003 | 144 |
| Cryptocoryne moehlmannii | 2 | 2003 | 79 |
| Cryptocoryne x purpurea | 2 | 2003 | 76 |
| Echinodorus africanus | 4 | 2003 | 135 |
| Echinodorus amazonicus | 4 | 2003 | 135 |
| Echinodorus-Arten | 2 | 2003 | 62 |
| Echinodorus austroamericanus | 4 | 2003 | 140 |
| Echinodorus x barthii | 4 | 2003 | 135 |
| Echinodorus berteroi | 4 | 2003 | 136 |
| Echinodorus bleheri | 4 | 2003 | 135 |
| Echinodorus bolivianus | 4 | 2003 | 137 |
| Echinodorus cordifolius ssp. fluitans | 4 | 2003 | 136 |
| Echinodorus ‚Devils Eye‘ | 1 | 2003 | 18 |
| Echinodorus eglandulosus | 4 | 2003 | 136 |
| Echinodorus gracilis | 4 | 2003 | 135 |
| Echinodorus grisebachii | 4 | 2003 | 135 |
| Echinodorus horemanii | 4 | 2003 | 136 |
| Echinodorus inpai | 4 | 2003 | 139 |
| Echinodorus janii | 4 | 2003 | 136 |
| Echinodorus multiflorus | 4 | 2003 | 135 |
| Echinodorus opacus | 4 | 2003 | 135 |
| Echinodorus osiris | 4 | 2003 | 136 |
| Echinodorus parviflorus | 4 | 2003 | 135 |
| Echinodorus portoalegrensis | 4 | 2003 | 135 |
| Echinodorus reticulatus | 4 | 2003 | 136 |
| Echinodorus schlueteri | 4 | 2003 | 135 |
| Echinodorus subalatus | 4 | 2003 | 138 |
| Echinodorus tenellus | 4 | 2003 | 137 |
| Echinodorus teretoscapus | 4 | 2003 | 136 |
| Echinodorus uruguayensis | 4 | 2003 | 136 |
| Echinodorus veronikae | 4 | 2003 | 135 |
| Echinodorus zombiensis | 4 | 2003 | 141 |
| Ernährung von Wasserpflanzen | 2 | 2003 | 59 |
| Ernährung von Wasserpflanzen | 3 | 2003 | 104 |
| Förderkreis Echinodorus | 1 | 2003 | 4 |
| Hippurus vulgaris | 2 | 2003 | 45 |
| Hydrocharis morsus-ranae | 3 | 2003 | 96 |
| Hygrophila-Arten | 2 | 2003 | 61 |
| Literaturbesprechungen | 1 | 2003 | 27 |
| Ludwigia inclinata var inclinata | 2 | 2003 | 68 |
| Ludwigia inclinata var. verticillata | 2 | 2003 | 68 |
| Marchantia polymorpha | 3 | 2003 | 91 |
| Menyanthes trifoliata | 2 | 2003 | 46 |
| Monoclea spec. | 3 | 2003 | 91 |
| Monosolenium tenerum | 3 | 2003 | 88 |
| Myriophyllum spicatum | 2 | 2003 | 48 |
| Pellia endiviifolia | 3 | 2003 | 88 |
| Pflanzenpatenschaften | 2 | 2003 | 76 |
| Potamogeton filiformis | 2 | 2003 | 45 |
| Potamogeton praelongus | 2 | 2003 | 46 |
| Potamogeton pusillus | 2 | 2003 | 49 |
| Ricciocarpus natans | 3 | 2003 | 91 |
| Senecio congestus | 1 | 2003 | 20 |
| Spiranthes cernua | 2 | 2003 | 57 |
| Spiranthes cernua | 2 | 2003 | 58 |
| Spiranthes odorata | 2 | 2003 | 52 |
| Spiranthes odorata | 2 | 2003 | 58 |
| Triglochin palustre | 2 | 2003 | 51 |
| Utricularia bifida | 4 | 2003 | 146 |
| Workshop Bau und Funktionsweise unserer Pflanzen | 3 | 2003 | 116 |
| Aquarienpflanzen (Reise) | 4 | 2004 | 149 |
| Azolla caroliniana | 1 | 2004 | 9 |
| Azolla filiculoides | 1 | 2004 | 8 |
| Azolla mexicana | 1 | 2004 | 9 |
| Azolla microphylla | 1 | 2004 | 12 |
| Azolla nilotica | 1 | 2004 | 11 |
| Azolla pinnata | 1 | 2004 | 12 |
| Bogner, Dr. h.c. Josef | 2 | 2004 | 71 |
| Bucephalandra motleyana | 3 | 2004 | 88 |
| Ceratophyllum sp. | 2 | 2004 | 50 |
| Clasen, Dr. Jürgen | 1 | 2004 | 21 |
| Cryptocoryne cognata | 3 | 2004 | 98 |
| Cryptocoryne cordata var. zonata | 2 | 2004 | 60 |
| Cryptocoryne crispatula var. crispatula | 4 | 2004 | 143 |
| Cryptocoryne ferruginea | 4 | 2004 | 128 |
| Cryptocoryne fusca | 4 | 2004 | 128 |
| Cryptocoryne ideii | 4 | 2004 | 124 |
| Cryptocoryne pygmaea | 4 | 2004 | 127 |
| Dysophylla globulosa | 4 | 2004 | 146 |
| Dysophylla helferi | 4 | 2004 | 146 |
| Echinodorus floridanus | 1 | 2004 | 16 |
| Echinodorus ‚Reni‘ | 4 | 2004 | 132 |
| Echinodorus ‚Sankt Elmsfeuer‘ | 4 | 2004 | 132 |
| Eggers, Gerd | 1 | 2004 | 21 |
| Egeria heterostemon | 1 | 2004 | 14 |
| Elodea canadensis | 1 | 2004 | 11 |
| Elodea nuttallii | 1 | 2004 | 11 |
| Elodea sp. | 2 | 2004 | 50 |
| European Cryptocoryne Society | 2 | 2004 | 67 |
| European Cryptocoryne Society | 4 | 2004 | 131 |
| Eusteralis stellata | 2 | 2004 | 54 |
| Eusteralis stellata | 4 | 2004 | 147 |
| Finanzielle Situation | 2 | 2004 | 45 |
| Heteranthera zosterifolia | 2 | 2004 | 49 |
| Hottonia palustris | 2 | 2004 | 51 |
| Logo, usw. | 3 | 2004 | 85 |
| Ludwigia inclinata var. verticillata | 2 | 2004 | 56 |
| Ludwigia sp. | 2 | 2004 | 49 |
| Micranthemum umbrosum | 2 | 2004 | 50 |
| Najas madagascariensis | 2 | 2004 | 53 |
| Paffrath, Kurt | 2 | 2004 | 69 |
| Pflanzenpatenschaften | 1 | 2004 | 33 |
| Pflanzenpatenschaften | 3 | 2004 | 158 |
| Pogostemon globulosa | 4 | 2004 | 147 |
| Pogostemon helferi | 4 | 2004 | 143 |
| Pogostemon koehneanus | 4 | 2004 | 146 |
| Pogostemon stellatus | 4 | 2004 | 147 |
| Redaktion | 4 | 2004 | 155 |
| Redfield Rate | 4 | 2004 | 136 |
| Regionalgruppe Baden Württemberg | 1 | 2004 | 23 |
| Schismatoglottis roseospatha | 3 | 2004 | 86 |
| Sphagnum | 2 | 2004 | 49 |
| Submerse Pflanzenkultur | 2 | 2004 | 48 |
| Thorea ramosissima | 4 | 2004 | 142 |
| Utricularia stellaris | 1 | 2004 | 3 |
| Algen, Blau- | 4 | 2005 | 144 |
| Algen, Kiesel- | 4 | 2005 | 143 |
| Algen, Pelz- | 4 | 2005 | 146 |
| Algen, Punkt- | 4 | 2005 | 146 |
| Algen, Schweb- | 4 | 2005 | 145 |
| Apinagia ruppioides | 4 | 2005 | 141 |
| Aponogeton undulatus | 4 | 2005 | 132 |
| Aqua-Planta | 1 | 2005 | 4 |
| Azolla cristata | 2 | 2005 | 65 |
| Azolla filiculoides | 2 | 2005 | 65 |
| Azolla mexicana | 2 | 2005 | 65 |
| Barclaya motleyi | 1 | 2005 | 4 |
| Barclaya rotundifolia | 1 | 2005 | 4 |
| Clasen, Dr. Jürgen | 1 | 2005 | 16 |
| Crinum americanum | 3 | 2005 | 102 |
| Crinum calamistratum | 3 | 2005 | 101 |
| Crinum natans | 3 | 2005 | 101 |
| Crinum purpurascens | 3 | 2005 | 101 |
| Crinum thaianum | 3 | 2005 | 101 |
| Cryptocoryne ciliata | 2 | 2005 | 58 |
| Cryptocoryne ciliata | 3 | 2005 | 108 |
| Cryptocoryne crispatula var. balansae | 2 | 2005 | 60 |
| Cryptocoryne crispatula var. balansae | 4 | 2005 | 155 |
| Cryptocoryne crispatula var. flaccidifolia | 4 | 2005 | 157 |
| Cryptocoryne crispatula var. crispatula | 4 | 2005 | 150 |
| Cryptocoryne cordata | 2 | 2005 | 60 |
| Cryptocoryne lingua | 3 | 2005 | 110 |
| Cryptocoryne moehlmannii | 3 | 2005 | 96 |
| Cryptocoryne noritoi | 3 | 2005 | 92 |
| Cryptocoryne nurii | 1 | 2005 | 10 |
| Cryptocoryne schulzei | 1 | 2005 | 10 |
| Cryptocoryne thwaitesii | 2 | 2005 | 73 |
| Echinodorus, Förderkreis | 1 | 2005 | 13 |
| Echinodorus glandulosus | 2 | 2005 | 54 |
| Echinodorus horizontalis | 1 | 2005 | 29 |
| Echinodorus horizontalis | 2 | 2005 | 53 |
| Echinodorus longipetalus | 2 | 2005 | 52 |
| Echinodorus paniculatus | 2 | 2005 | 54 |
| Echinodorus reticulatus | 2 | 2005 | 54 |
| Echinodorus tunicatus | 1 | 2005 | 29 |
| Echinodorus tunicatus | 2 | 2005 | 53 |
| Eriocaulon setaceum | 4 | 2005 | 158 |
| Ernährung von Wasserpflanzen | 2 | 2005 | 66 |
| Euglena viridis | 4 | 2005 | 145 |
| Hydrostachys sp. | 2 | 2005 | 76 |
| Leuchtstofflampen (T5) | 3 | 2005 | 113 |
| Literaturbesprechungen | 1 | 2005 | 41 |
| Literaturbesprechungen | 2 | 2005 | 79 |
| Literaturbesprechungen | 3 | 2005 | 119 |
| Literaturbesprechungen | 4 | 2005 | 160 |
| Ludwigia helminthorrhiza | 1 | 2005 | 18 |
| Marathrum schiedeanum | 4 | 2005 | 137 |
| Marathrum utile | 4 | 2005 | 141 |
| Mourera fluviattilis | 4 | 2005 | 141 |
| Octodiceras fontanum | 4 | 2005 | 159 |
| Podostemaceae | 2 | 2005 | 77 |
| Podostemaceae | 4 | 2005 | 136 |
| Redaktion, Aus der | 2 | 2005 | 85 |
| Redaktion, Aus der | 4 | 2005 | 166 |
| Redfield Rate | 1 | 2005 | 12 |
| Rhyncholacis penicillata | 4 | 2005 | 137 |
| Weddellina squamosa | 4 | 2005 | 140 |
| Wettbewerb, Wasserpflanzen-Aquarien- | 1 | 2005 | 20 |
| Zeylanidium olivaceum | 4 | 2005 | 142 |
| Redfield Rate | 1 | 2005 | 12 |
| Algen, Bart | 1 | 2006 | 13 |
| Algen, Faden- | 1 | 2006 | 10 |
| Algen, Grüne Büschel- | 1 | 2006 | 14 |
| Algen, Pinsel- | 1 | 2006 | 10 |
| Aquarien | 2 | 2006 | 62 |
| Aquarien | 2 | 2006 | 64 |
| Buchbesprechungen | 1 | 2006 | 28 |
| Buchbesprechungen | 2 | 2006 | 66 |
| Caulerpa peltata | 2 | 2006 | 45 |
| Caulerpa prolifera | 2 | 2006 | 45 |
| Caulerpa racemosa | 2 | 2006 | 45 |
| Caulerpa webbiana | 2 | 2006 | 45 |
| Crinum erubescens | 2 | 2006 | 50 |
| Crinum purpurascens | 2 | 2006 | 48 |
| Cryptocoryne crispatula var. flaccidifolia | 1 | 2006 | 16 |
| Cryptocoryne lingua | 2 | 2006 | 58 |
| Cryptocoryne retrospiralis | 1 | 2006 | 17 |
| Cryptocoryne zaidiana | 2 | 2006 | 52 |
| Dennerle, Luwig ist tot | 2 | 2006 | 61 |
| European Cryptocoryne Society | 1 | 2006 | 24 |
| Landoltia punctata | 1 | 2006 | 7 |
| Literaturbesprechungen | 1 | 2006 | 30 |
| Literaturbesprechungen | 2 | 2006 | 68 |
| Proserpinaca palustris | 1 | 2006 | 4 |
| Redaktion, Aus der | 2 | 2006 | 67 |
| Waserpflanzentagung | 1 | 2006 | 25 |
| Waserpflanzentagung | 2 | 2006 | 74 |
| Wolffia Spezies | 1 | 2006 | 9 |
| Anubias barteri var. glabra | 4 | 2006 | 149 |
| Anubias gigantea | 4 | 2006 | 145 |
| Arbeitskreis Wasserpflanzen 30 Jahr | 3 | 2006 | 84 |
| Arbeitskreis Wasserpflanzen, zur Geschichte des | 3 | 2006 | 86 |
| Arbeitskreis Wasserpflanzen, Einladung zum Wasserpflanzentagung | 3 | 2006 | 88 |
| Arbeitskreis Wasserpflanzen, Tagung in Einbeck | 4 | 2006 | 162 |
| Arbeitskreis Wasserpflanzen, Protokoll der Mitgliederversammlung | 4 | 2006 | 168 |
| Arbeitskreis Wasserpflanzen, der neue Vorstand | 4 | 2006 | 170 |
| Arbeitskreis Wasserpflanzen, Verabschiedung von Roland Str??ner und Marcus Gast | 4 | 2006 | 171 |
| Bolbitis heudelotii | 4 | 2006 | 147 |
| Bolbitis auriculata | 4 | 2006 | 150 |
| Cladophora aegagropila | 3 | 2006 | 115 |
| Cryptocoryne crispatula | 3 | 2006 | 103 |
| Cryptocoryne hudoroi | 4 | 2006 | 151 |
| Drosera burkeana | 3 | 2006 | 100 |
| Drosera rotundifolia | 3 | 2006 | 101 |
| Echinodorus tenellus | 3 | 2006 | 110 |
| Halimedia incrassata | 3 | 2006 | 128 |
| Halimedia opuntia | 3 | 2006 | 127 |
| Literaturbesprechungen | 4 | 2006 | 172 |
| Vlugt, Piet J. van der verstorben | 3 | 2006 | 130 |
| Ranunculus aquatiluis L. var. diffusus | 3 | 2006 | 92 |
| Ranunculus baudotii | 3 | 2006 | 93 |
| Ranunculus circinatus | 3 | 2006 | 94 |
| Ranunculus hederaceus | 3 | 2006 | 95 |
| Ranunculus peltatus | 3 | 2006 | 97 |
| Redaktion | 4 | 2006 | 178 |
| Sagittaria-Arten, unbekannte | 3 | 2006 | 110 |
| Wasserpflanzen, in Australien einheimische | 3 | 2006 | 118 |
| Aponogeton crispus | 2 | 2007 | 56 |
| Aponogeton cuneatus | 1 | 2007 | 4 |
| Aponogeton elongatus | 1 | 2007 | 10 |
| Aponogeton euryspermus | 1 | 2007 | 10 |
| Aponogeton euryspermus | 4 | 2007 | 124 |
| Aponogeton lancesmithii | 4 | 2007 | 127 |
| Aponogeton natans | 2 | 2007 | 56 |
| Aponogeton queenslandicus | 4 | 2007 | 128 |
| Aponogeton tofus | 1 | 2007 | 6 |
| Aponogeton tofus | 4 | 2007 | 128 |
| Aponogeton vanbruggenii | 4 | 2007 | 128 |
| Arbeitskreistagung 2007 | 3 | 2007 | 113 |
| Arbeitskreistagung 2007 | 4 | 2007 | 154 |
| Bolbitis kunstleri | 3 | 2007 | 86 |
| Bolbitis longifolia | 3 | 2007 | 86 |
| Barclaya motleyi | 3 | 2007 | 86 |
| Barclaya rotundifolia | 3 | 2007 | 87 |
| Bolbitis heudelotii | 3 | 2007 | 85 |
| Bruggen, Harry W.E., 80 Jahre | 4 | 2007 | 145 |
| Buchbesprechungen | 2 | 2007 | 73 |
| Buchbesprechungen | 3 | 2007 | 110 |
| Ceratophyllum demersum | 2 | 2007 | 59 |
| Cryptocoryne auriculata | 4 | 2007 | 135 |
| Cryptocoryne bangkaensis | 2 | 2007 | 44 |
| Cryptocoryne bullosa | 4 | 2007 | 138 |
| Cryptocoryne ciliata | 4 | 2007 | 141 |
| Cryptocoryne ferruginea | 4 | 2007 | 139 |
| Cryptocoryne fusca | 4 | 2007 | 136 |
| Cryptocoryne keei | 3 | 2007 | 106 |
| Cryptocoryne lingua | 4 | 2007 | 131 |
| Cryptocoryne longicauda | 2 | 2007 | 53 |
| Cryptocoryne longicauda | 3 | 2007 | 105 |
| Cryptocoryne nevillii | 2 | 2007 | 59 |
| Cryptocoryne pallidinervia | 4 | 2007 | 139 |
| Cryptocoryne scurrilis | 2 | 2007 | 45 |
| Cryptocoryne striolata | 3 | 2007 | 104 |
| Cryptocoryne uenoi; | 4 | 2007 | 132 |
| Cryptocoryne wendtii | 2 | 2007 | 57 |
| Cryptocoryne yujii | 4 | 2007 | 133 |
| Cryptocoryne zaidiana | 4 | 2007 | 135 |
| Dübener Heide, Excursion in die | 4 | 2007 | 130 |
| Echinodorus, Förderkreis | 1 | 2007 | 20 |
| Echinodorus, verschiedene Sorten | 1 | 2007 | 12 |
| Echinodorus opacus | 2 | 2007 | 64 |
| Eggers, zum 80. Geburtstag | 1 | 2007 | 30 |
| Equisetum telmateia | 1 | 2007 | 24 |
| Equisetum, verschiedene Arten | 1 | 2007 | 24 |
| European Cryptocoryne Society | 2 | 2007 | 6 |
| Hydrotriche hottoniiflora | 3 | 2007 | 99 |
| Hygrophila difformis | 2 | 2007 | 56 |
| Hygrophila salicifolia | 2 | 2007 | 57 |
| Kalziumkarbonat | 2 | 2007 | 67 |
| Limnophyton obtusifolium | 2 | 2007 | 60 |
| Linnaeus, 300jähriger Geburtstag | 4 | 2007 | 148 |
| Literaturbesprechungen | 1 | 2007 | 31 |
| Literaturbesprechungen | 2 | 2007 | 70 |
| Literaturbesprechungen | 3 | 2007 | 107 |
| Lobelia dortmanna | 3 | 2007 | 94 |
| Lomariopsis lineata | 3 | 2007 | 84 |
| Marsilia quadrifolia | 2 | 2007 | 60 |
| Mitgliederversammlung 2007 | 4 | 2007 | 153 |
| Nelumbo nucifera | 2 | 2007 | 56 |
| Neptunia oleracea | 2 | 2007 | .56 |
| Nymphaea stellata | 2 | 2007 | 56 |
| Nymphoides indica | 2 | 2007 | 56 |
| Ottelia alismoides | 2 | 2007 | 56 |
| Redaktion, Aus der | 1 | 2007 | 35 |
| Regionalgruppe Bayern-Süd zehn Jahre | 3 | 2007 | 112 |
| Rotala, zwei unbekannte Arten | 1 | 2007 | 27 |
| Vallisneria spiralis | 2 | 2007 | 59 |
| Wap besteht seit 35 Jahren | 4 | 2007 | 152 |
| Wasserpflanzentagung | 2 | 2007 | 61 |
| Wettbewerb, Wasserpflanzen-Aquarien- | 3 | 2007 | 114 |
| Acorus gramineus | 3 | 2008 | 85 |
| Aeschynomene fluitans | 3 | 2008 | 99 |
| Aglaodorum griffithii | 1 | 2008 | 22 |
| Ammannia gracilis | 3 | 2008 | 98 |
| Anubias barteri var. barteri | 4 | 2008 | 134 |
| Anubias barteri var. nana | 4 | 2008 | 135 |
| Aponogeton gottlebei | 4 | 2008 | 154 |
| Aponogeton longiplumulosus | 4 | 2008 | 157 |
| Aponogeton loriae | 3 | 2008 | 114 |
| Aponogeton womersleyi | 3 | 2008 | 110 |
| Aquarien | 4 | 2008 | 147 |
| Buchbesprechungen | 1 | 2008 | 29 |
| Cabomba caroliniana | 4 | 2008 | 140 |
| Cabomba caroliniana ‚Silbergrüne‘ | 1 | 2008 | 17 |
| Callitriche hamulata | 2 | 2008 | 45 |
| Callitriche obtusangula | 2 | 2008 | 44 |
| Callitriche stagnalis | 2 | 2008 | 46 |
| Ceratophyllum spec. | 4 | 2008 | 138 |
| Ceratopteris spec. | 4 | 2008 | 138 |
| Cryptocoryne affinis | 3 | 2008 | 87 |
| Cryptocoryne affinis | 4 | 2008 | 137 |
| Cryptocoryne aponogetifolia | 3 | 2008 | 88 |
| Cryptocoryne ciliata var. ciliata | 1 | 2008 | 22 |
| Cryptocoryne ciliata var. latifolia | 1 | 2008 | 23 |
| Cryptocoryne cordata | 1 | 2008 | 25 |
| Cryptocoryne cordata | 3 | 2008 | 87 |
| Cryptocoryne cordata ‚Rosanervig‘ | 1 | 2008 | 17 |
| Cryptocoryne cordata var. grabowskii | 1 | 2008 | 26 |
| Cryptocoryne cordata var. zonata | 1 | 2008 | 26 |
| Cryptocoryne cordata var. zonata | 2 | 2008 | 51 |
| Cryptocoryne crispatula | 2 | 2008 | 54 |
| Cryptocoryne fusca | 3 | 2008 | 94 |
| Cryptocoryne hudoroi | 3 | 2008 | 88 |
| Cryptocoryne, schwierig zu kultivierende Arten | 3 | 2008 | 91 |
| Cryptocoryne usteriana | 3 | 2008 | 88 |
| Cryptocoryne wendtii | 4 | 2008 | 136 |
| Cryptocoryne xpurpurata | 2 | 2008 | 48 |
| ECS-Treffen 2007 in Noordwijkerhout | 1 | 2008 | 21 |
| Eriocaulon sp. Australien | 3 | 2008 | 84 |
| Eriocaulon setaceum | 3 | 2008 | 86 |
| Excursionen | 4 | 2008 | 140 |
| Glossadelphus zollingeri | 1 | 2008 | 12 |
| Homepage des Arbeitkreises Wasserpflanzen | 2 | 2008 | 74 |
| Hygrophila difformis | 1 | 2008 | 17 |
| Inhaltsverzeichnis 2005-2007 | 3 | 2008 | 100 |
| Limnobium laevigatum | 4 | 2008 | 138 |
| Limnophila sessiliflora | 4 | 2008 | 141 |
| Literaturbesprechungen | 1 | 2008 | 31 |
| Literaturbesprechungen | 2 | 2008 | 70 |
| Literaturbesprechungen | 3 | 2008 | 119 |
| Literaturbesprechungen | 4 | 2008 | 159 |
| Microsorum spec. | 4 | 2008 | 136 |
| Naturaquaria einmal anders | 3 | 2008 | 95 |
| Nesaea crassicaulis | 3 | 2008 | 98 |
| Pflanzen-Aquarien | 2 | 2008 | 61 |
| Pflanzenpatenschaften | 3 | 2008 | 122 |
| Pogostemon helferi | 2 | 2008 | 53 |
| Rotala macrandra | 1 | 2008 | 28 |
| Tagung in Kloster Schöntal | 1 | 2008 | 16 |
| Tagung in Kloster Schöntal | 2 | 2008 | 69 |
| Tagung in Kloster Schöntal | 3 | 2008 | 115 |
| Taxiphyllum alternans | 1 | 2008 | 8 |
| Taxiphyllum barbieri | 1 | 2008 | 4 |
| Taxiphyllum barbieri | 1 | 2008 | 10 |
| Utricularia graminifolia | 1 | 2008 | 13 |
| Vesicularia dubyana | 1 | 2008 | 5 |
| Vesicularia dubyana | 1 | 2008 | 11 |
| Vesicularia ferrieri | 1 | 2008 | 8 |
| Vesicularia montagnei | 1 | 2008 | 6 |
| Vesicularia reticulata | 1 | 2008 | 7 |
| Vesicularia spec. | 4 | 2008 | 136 |
| Anubias spec. | 1 | 2009 | 22 |
| Aponogeton gottlebei | 1 | 2009 | 18 |
| Aponogeton womersleyi | 1 | 2009 | 20 |
| Crinum thaianum | 1 | 2009 | 24 |
| Cryptocoryne aponogetifolia | 1 | 2009 | 23 |
| Cryptocoryne crispatula var. balansae | 1 | 2009 | 7 |
| Cryptocoryne crispatula var. balansae | 1 | 2009 | 24 |
| Cryptocoryne cruddasiana | 1 | 2009 | 4 |
| Echinodorus uruguayensis | 1 | 2009 | 24 |
| ECS-Treffen 2008 in Wien | 1 | 2009 | 26 |
| Literaturbesprechungen | 1 | 2009 | 32 |
| Microsorum pteropus | 1 | 2009 | 23 |
| Pflanzenwuchsmittel | 1 | 2009 | 14 |
| Schnecken für Algenbekämpfung | 1 | 2009 | 28 |
| Schulze, Prof. Nachruf | 1 | 2009 | 31 |
| Aquarien | 2 | 2009 | 64 |
| Hygrophila pinnatifida | 2 | 2009 | 48 |
| Leserbriefe | 2 | 2009 | 75 |
| Limosella aquatica | 2 | 2009 | 44 |
| Limosella grandiflora | 2 | 2009 | 44 |
| Literaturbesprechungen | 2 | 2009 | 72 |
| Samolus valerandi | 2 | 2009 | 57 |
| Tagung 2009 in Dresden | 2 | 2009 | 63 |
| Anubias, Sonderheft 1 als CD | 3 | 2009 | 96 |
| Anubias spec. | 4 | 2009 | 142 |
| Aponogeton undulatus | 4 | 2009 | 134 |
| Bacopa australis | 3 | 2009 | 104 |
| Baldellia alpestris | 4 | 2009 | 124 |
| Baldellia ranunculoides subsp. ranunculoides | 4 | 2009 | 124 |
| Baldeliia ranunculoides subsp. repens | 4 | 2009 | 124 |
| Centella asiatica | 3 | 2009 | 100 |
| Cryptocoryne albida | 3 | 2009 | 94 |
| Cryptocoryne consobrina | 3 | 2009 | 88 |
| Cryptocoryne consobrina | 4 | 2009 | 135 |
| Cryptocoryne crispatula | 3 | 2009 | 88 |
| Cryptocoryne nevillii | 3 | 2009 | 94 |
| Cryptocoryne retrospiralis | 3 | 2009 | 94 |
| Cryptocoryne sivadasanii | 3 | 2009 | 88 |
| Cryptocoryne sivadasanii | 4 | 2009 | 135 |
| Cryptocoryne unilocularis | 4 | 2009 | 136 |
| Cryptocoryne wightii | 4 | 2009 | 136 |
| Eleocharis dulcis | 3 | 2009 | 101 |
| Excursionen | 3 | 2009 | 109 |
| Houttuynia cordata | 3 | 2009 | 97 |
| Ipomoea aquatica | 3 | 2009 | 102 |
| Kongress, Eindrücke vom diesjährigen Verbandskongress | 3 | 2009 | 107 |
| Lagenandra spec. | 4 | 2009 | 142 |
| Leserbriefe | 4 | 2009 | 152 |
| Limnophila aromatica | 3 | 2009 | 99 |
| Literaturbesprechungen | 3 | 2009 | 112 |
| Literaturbesprechungen | 4 | 2009 | 153 |
| Mathies, Ein Dank an Jochen M. | 3 | 2009 | 106 |
| Neptunia oleracea | 3 | 2009 | 103 |
| Nymphaea lotus | 4 | 2009 | 130 |
| Nymphaea pubescens | 4 | 2009 | 130 |
| Potamogeton coloratus | 3 | 2009 | 84 |
| Tagung 2009 in Dresden | 3 | 2009 | 116 |
| Tagung 2009 in Dresden | 4 | 2009 | 146 |
| Tagung 2009 in Dresden | 4 | 2009 | 150 |
| Wasserpflanzen aus dem Asia-Supermarkt | 3 | 2009 | 97 |
| Cryptocoryne | 4 | 2015 | 125 |
| USA | 4 | 2015 | 125 |
| Cryptocoryne griffithii | 4 | 2015 | 125 |
| Cryptocoryne cordata var. siamensis | 4 | 2015 | 126 |
| Cryptocoryne beckettii | 4 | 2015 | 126 |
| Cryptocoryne wendtii | 4 | 2015 | 126 |
| Crypttocoryne affinis | 4 | 2015 | 126 |
| Cryptocoryne crispatula var. balansae | 4 | 2015 | 126 |
| Cryptocoryne spiralis | 4 | 2015 | 126 |
| Cryptocoryne nurii ‚Platinum‘ | 4 | 2015 | 128 |
| Cryptocoryne bullosa | 4 | 2015 | 128 |
| Cryptocoryne huderoi | 4 | 2015 | 128 |
| Cryptocoryne dewittii | 4 | 2015 | 129 |
| Cryptocoryne auriculata ‚Tiger Stripes‘ | 4 | 2015 | 129 |
| Cryptocoryne spec. ‚Pelan‘ | 4 | 2015 | 131 |
| Cryptocoryne nurii var. raubensis | 4 | 2015 | 132 |
| Cryptocoryne schulzei | 4 | 2015 | 132 |
| Cryptocoryne keei | 4 | 2015 | 132 |
| Cryptocoryne affinis | 4 | 2015 | 132 |
| Cryptocoryne jacobsenii | 4 | 2015 | 132 |
| Cryptocoryne x timahensis | 4 | 2015 | 132 |
| Cryptocoryne villosa | 4 | 2015 | 132 |
| Laichkräuter | 4 | 2015 | 137 |
| Potamogetonaceae | 4 | 2015 | 137 |
| Licht | 4 | 2015 | 137 |
| Echinodorus ‚Dschungel Star‘ | 4 | 2015 | 137 |
| Echinodorus ‚Deep Purple‘ | 4 | 2015 | 137 |
| Echinodorus ‚Reni‘ | 4 | 2015 | 137 |
| Nadelsimse | 4 | 2015 | 137 |
| Eleocharis | 4 | 2015 | 137 |
| Amerikanisches Kammblatt | 4 | 2015 | 137 |
| Proserpinaca palustris | 4 | 2015 | 137 |
| Hemianthus micranthemoides | 4 | 2015 | 137 |
| Temperatur | 4 | 2015 | 137 |
| Potamogeton coloratus | 4 | 2015 | 138 |
| Groenlandia densa | 4 | 2015 | 138 |
| Laichkraut | 4 | 2015 | 138 |
| Lagenandra jacobsenii | 4 | 2015 | 139 |
| Lagenandra | 4 | 2015 | 139 |
| Lagenandra toxicaria | 4 | 2015 | 140 |
| Botanischer Garten Berlin Dahlem | 4 | 2015 | 143 |
| Victoriahaus | 4 | 2015 | 143 |
| Arbeitskreis, Jahrestreffen in Dessau 2015 | 4 | 2015 | 145 |
| Arbeitskreis, Grußworte des neugewählten Arbeitskreis-Vorsitzenden | 4 | 2015 | 124 |
| Takashi Amano, Nachruf | 4 | 2015 | 149 |
| European Cryptocoryne Society | 4 | 2015 | 150 |
| ECS-Treffen 2015 in Hamburg | 4 | 2015 | 150 |
| Karnivore | 1 | 2016 | 4 |
| Fleischfressende Pflanzen | 1 | 2016 | 4 |
| Wasserfalle | 1 | 2016 | 4 |
| Aldrovandra | 1 | 2016 | 4 |
| Wasserschlauch | 1 | 2016 | 4 |
| Wasserschläuche | 1 | 2016 | 4 |
| Utricularia | 1 | 2016 | 4 |
| Reusenpflanzen | 1 | 2016 | 4 |
| Genlisea | 1 | 2016 | 4 |
| Lentibulariaceae | 1 | 2016 | 4 |
| Aldrovandra vesiculosa | 1 | 2016 | 4 |
| Utricularia benjaminiana | 1 | 2016 | 5 |
| Utricularia reflexa | 1 | 2016 | 6 |
| Utricularia bremii | 1 | 2016 | 6 |
| Genlisea flexuosa | 1 | 2016 | 9 |
| Utricularia neottioides | 1 | 2016 | 9 |
| Utricularia vulgaris | 1 | 2016 | 10 |
| Rhizophylle | 1 | 2016 | 11 |
| Phyllocladien | 1 | 2016 | 7 |
| Adventivpflanzen | 1 | 2016 | 13 |
| Pogostemon helferi | 1 | 2016 | 13 |
| Iris fulva | 1 | 2016 | 19 |
| Iris orientalis | 1 | 2016 | 19 |
| Iris-Barbata-Hybriden | 1 | 2016 | 19 |
| Iris pseudacorus | 1 | 2016 | 20 |
| Iris ensata | 1 | 2016 | 20 |
| Iris versicolor | 1 | 2016 | 21 |
| Iris virginica | 1 | 2016 | 21 |
| Algen | 1 | 2016 | 27 |
| Schnecken | 1 | 2016 | 27 |
| Turmdeckelschnecke | 1 | 2016 | 28 |
| Melanoides tuberculata | 1 | 2016 | 28 |
| Clithon diadema | 1 | 2016 | 28 |
| Posthornschnecken | 1 | 2016 | 28 |
| Planorbella duryi | 1 | 2016 | 28 |
| Rennschnecken | 1 | 2016 | 28 |
| Neritina turrita | 1 | 2016 | 28 |
| Cipangupaludina leucothoides | 1 | 2016 | 28 |
| Tylomelania | 1 | 2016 | 29 |
| Blasenschnecken | 1 | 2016 | 29 |
| Raubschnecke | 1 | 2016 | 29 |
| Anentome helena | 1 | 2016 | 29 |
| Kindertagesstätte | 1 | 2016 | 31 |
| Salvinia minima | 2 | 2016 | 44 |
| Salvinia oblongifolia | 2 | 2016 | 45 |
| Schismatoglottis prietoi | 2 | 2016 | 48 |
| Philippinen | 2 | 2016 | 48 |
| Luzon | 2 | 2016 | 48 |
| Cebu | 2 | 2016 | 48 |
| Schismatoglottis prietoi | 2 | 2016 | 53 |
| Cryptocoryne xbatangkayanensis | 2 | 2016 | 54 |
| Cryptocoryne batangkayanensis | 2 | 2016 | 54 |
| Cryptocoryne-Hybriden | 2 | 2016 | 54 |
| Cryptocoryne xwillisii | 2 | 2016 | 54 |
| Cryptocoryne xpurpurea | 2 | 2016 | 54 |
| Cryptocoryne beckettii | 2 | 2016 | 54 |
| Cryptocoryne walkeri | 2 | 2016 | 54 |
| Cryptocoryne parva | 2 | 2016 | 54 |
| Pollenfertilität | 2 | 2016 | 54 |
| Pollensterilität | 2 | 2016 | 54 |
| Cryptocoryne crispatula | 2 | 2016 | 54 |
| Cryptocoryne xtimahensis | 2 | 2016 | 54 |
| Cryptocoryne cordata var. grabowskii | 2 | 2016 | 54 |
| Cryptocoryne griffithii | 2 | 2016 | 54 |
| Cryptocoryne cordata var. cordata | 2 | 2016 | 54 |
| Crytocoryne ferruginea var. sekadauensis | 2 | 2016 | 55 |
| Cryptcoryne fusca | 2 | 2016 | 55 |
| Cryptocoryne zukalii | 2 | 2016 | 55 |
| Cryptocoryne decus-silvae | 2 | 2016 | 55 |
| Cryptocoryne edithiae | 2 | 2016 | 55 |
| Cryptocoryne ferruginea | 2 | 2016 | 56 |
| Arbeitskreis Wasserpflanzen | 3 | 2016 | 84 |
| Lesotho | 3 | 2016 | 85 |
| Sehlabathebe-Nationalpark | 3 | 2016 | 85 |
| Aponogeton ranunculiflorus | 3 | 2016 | 85 |
| Limosella inflata | 3 | 2016 | 87 |
| Lindernia conferta | 3 | 2016 | 87 |
| Cryptocoryne cognata | 3 | 2016 | 90 |
| Indien | 3 | 2016 | 90 |
| Wasseranalysen | 3 | 2016 | 90 |
| Lichtmessung | 3 | 2016 | 95 |
| Aquarienpflanzen | 3 | 2016 | 104 |
| Aquarienpflanzen verkaufen | 3 | 2016 | 104 |
| Cryptocoryne | 3 | 2016 | 107 |
| emerse Cryptocorynen | 3 | 2016 | 107 |
| Cryptocoryne bangkaensis | 3 | 2016 | 107 |
| Substrat für Cryptocorynen | 3 | 2016 | 108 |
| Licht | 3 | 2016 | 108 |
| Cryptocoryne carodata var. Siamensis | 3 | 2016 | 108 |
| Cryptocoryne pontederiifolia | 3 | 2016 | 109 |
| Cryptocoryne pygmaea | 3 | 2016 | 109 |
| Cryptocoryne sivadasanii | 3 | 2016 | 111 |
| Arbeitskreis Wasserpflanzen | 4 | 2016 | 124 |
| Echinodorus opacus | 4 | 2016 | 128 |
| Adventivpflanzen | 4 | 2016 | 128 |
| Neuguinea | 4 | 2016 | 130 |
| Cryptocoryne versteegii var. versteegii | 4 | 2016 | 130 |
| Cryptocoryne dewitii | 4 | 2016 | 130 |
| Cryptocoryne ciliata | 4 | 2016 | 130 |
| Cryptocoryne versteegii var. jayaensis | 4 | 2016 | 130 |
| Hybriden | 4 | 2016 | 138 |
| künstliche Cryptocoryne-Hybriden | 4 | 2016 | 138 |
| Chromosomenzahlen | 4 | 2016 | 138 |
| Lythrum salicaria | 4 | 2016 | 142 |
| Blutweiderich | 4 | 2016 | 142 |
| Polygonum amphibium | 4 | 2016 | 142 |
| Rumex hydrolapathum | 4 | 2016 | 142 |
| Juncus effusus | 4 | 2016 | 142 |
| Rotala | 4 | 2016 | 142 |
| Ammannia | 4 | 2016 | 142 |
| Didiplis | 4 | 2016 | 142 |
| Peplis | 4 | 2016 | 142 |
| Ysop-Blutweiderich | 4 | 2016 | 144 |
| ECS | 4 | 2016 | 146 |
| European Cryptocoryne Society | 4 | 2016 | 146 |
| Arbeitskreis Wasserpflanzen | 4 | 2016 | 147 |
| VDA Bezirk 01 | 4 | 2016 | 147 |
| Arbeitskreis Wasserpflanzen | 4 | 2016 | 150 |
| Mitgliederversammlung | 4 | 2016 | 150 |
| Umwandlung in einen Verein | 4 | 2016 | 150 |
| Stellvertretender Vorsitzender | 4 | 2016 | 152 |
| Lythrum salicaria | 4 | 2016 | 142 |
| Blutweiderich | 4 | 2016 | 142 |
| Polygonum amphibium | 4 | 2016 | 142 |
| Rumex hydrolapathum | 4 | 2016 | 142 |
| Juncus effusus | 4 | 2016 | 142 |
| Rotala | 4 | 2016 | 142 |
| Ammannia | 4 | 2016 | 142 |
| Didiplis | 4 | 2016 | 142 |
| Peplis | 4 | 2016 | 142 |
| Ysop-Blutweiderich | 4 | 2016 | 144 |
| ECS | 4 | 2016 | 146 |
| European Cryptocoryne Society | 4 | 2016 | 146 |
| Arbeitskreis Wasserpflanzen | 4 | 2016 | 147 |
| VDA Bezirk 01 | 4 | 2016 | 147 |
| Cryptocoryne | 1 | 2017 | 4 |
| Singkep | 1 | 2017 | 4 |
| Lingga-Insel | 1 | 2017 | 4 |
| Schwarzwasser | 1 | 2017 | 4 |
| Cryptocoryne x timahensis | 1 | 2017 | 7 |
| Crinum calamistratum | 1 | 2017 | 9 |
| Hakenlilie | 1 | 2017 | 9 |
| künstliche Bestäubung | 1 | 2017 | 9 |
| Teich | 1 | 2017 | 18 |
| Euro-Palette | 1 | 2017 | 18 |
| Bauanleitung | 1 | 2017 | 18 |
| Miniteich | 1 | 2017 | 18 |
| Gitterpflanze | 1 | 2017 | 18 |
| Aponogeton madagascariensis | 1 | 2017 | 18 |
| Nitella | 1 | 2017 | 28 |
| Algen | 1 | 2017 | 28 |
| Kalkalgen | 1 | 2017 | 28 |
| Armleuchteralgen | 1 | 2017 | 28 |
| Water Min | 1 | 2017 | 30 |
| Wasseraufbereiter | 1 | 2017 | 30 |
| Eriocaulon aquaticum | 2 | 2017 | 44 |
| Naturstandort | 2 | 2017 | 45 |
| Aponogeton boivinianus | 2 | 2017 | 52 |
| Vermehrung | 2 | 2017 | 52 |
| Samen | 2 | 2017 | 52 |
| In-vitro-Pflanzen | 2 | 2017 | 59 |
| Arbeitskreis Wasserpflanzen | 2 | 2017 | 63 |
| Messen | 2 | 2017 | 63 |
| Fisch & Reptil | 2 | 2017 | 63 |
| Aqua-Fisch | 2 | 2017 | 63 |
| Regionalgruppe Nordrhein-Westfalen | 2 | 2017 | 70 |
| Regionalgruppe Bayern-Süd | 2 | 2017 | 70 |
| Jahreshauptversammlung 2017 | 2 | 2017 | 77 |
