| Agrostis | AGRSPX |
| Agrostis stolonifera | AGRSTO |
| Amblystegium fluviatile | AMBFLU |
| Amblystegium riparium | AMBRIP |
| Azolla filiculoides | AZOFIL |
| Bangia | BANSPX |
| Bidens frondosa | BIDFRO |
| Callitriche obtusangula | CALOBT |
| Callitriche platycarpa | CALPLA |
| Calystegia sepium | CASSEP |
| Cinclidotus aquaticus | CINAQU |
| Cinclidotus riparius | CINRIP |
| Cladophora | CLASPX |
| Cratoneuron filicinum | CRAFIL |
| Cyperus fuscus | CYPFUS |
| Diatoma | DIASPX |
| Echinochloa crus-galli | ECHCRU |
| Elodea nuttalii | ELONUT |
| Equisetum arvense | EQUARV |
| Equisetum palustre | EQUPAL |
| Eurhynchium | EURSPX |
| Fontinalis antipyretica | FONANT |
| Fragilaria | FRASPX |
| Glechoma hederacea | GLEHED |
| Gomphoneis | GOMSPX |
| Gomphonema | GOPSPX |
| Hildenbrandia | HILSPX |
| Hygroamblystegium fluviatile | HYAFLU |
| Lemanea | LEASPX |
| Leersia oryzoides | LEEORY |
| Lemna gibba | LEMGIB |
| Lemna minor | LEMMIN |
| Lemna minuta | LEMMIT |
| Lemna minuscula | LEMMIU |
| Lemna trisulca | LEMTRI |
| Leptodictyum riparium | LEORIP |
| Lycopus europaeus | LYCEUR |
| Lysimachia vulgaris | LYSVUL |
| Lythrum salicaria | LYTSAL |
| Melosira | MELSPX |
| Mentha aquatica | MENAQU |
| Mentha suaveolens | MENSUA |
| Microspora | MICSPX |
| Mougeotia | MOUSPX |
| Myriophyllum aquaticum | MYRAQU |
| Myriophyllum spicatum | MYRSPI |
| |
| Oedogonium | OEDSPX |
| Oscillatoria | OSCSPX |
| Persicaria hydropiper | PERHYD |
| Persicaria maculosa | PERMAC |
| Phalaris arundinacea | PHAARU |
| Phormidium | PHOSPX |
| Potamogeton berchtoldii | POTBER |
| Potamogeton crispus | POTCRI |
| Potamogeton perfoliatus | POTPER |
| Ranunculus aquatilis | RANAQU |
| Ranunculus fluitans | RANFLU |
| Ranunculus penicillatus var. calcareus | RANPEC |
| Ranunculus penicillatus subsp. pseudofluitans | RANPES |
| Ranunculus penicillatus | RANPEU |
| Ranunculus | RANSPX |
| Rhynchostegium riparioides | RHYRIP |
| Rorippa sylvestris | RORSYL |
| Scutellaria galericulata | SCUGAL |
| Solanum dulcamara | SOADUL |
| Spirogyra | SPISPX |
| Spirodela polyrhiza | SPRPOL |
| Stigeoclonium | STISPX |
| Ulothrix | ULOSPX |
| Vaucheria | VAUSPX |
| Veronica anagallis-aquatica | VERANA |
| Veronica beccabunga | VERBEC |
| Veronica catenata | VERCAT |
| Veronica | VERSPX |
| Zygnema | ZYGSPX |
