| Taxon | Code |
| Agrostis stolonifera | AGRSTO |
| Alisma plantago-aquatica | ALIPLA |
| Amblystegium riparium | AMBRIP |
| Batrachospermum | BATSPX |
| Bidens cernua | BIDCER |
| Bidens frondosa | BIDFRO |
| Callitriche platycarpa | CALPLA |
| Calystegia sepium | CASSEP |
| Ceratophyllum demersum | CERDEM |
| Cladophora | CLASPX |
| Cyperus fuscus | CYPFUS |
| Echinochloa crus-galli | ECHCRU |
| Eleocharis acicularis | ELEACI |
| Eleocharis | ELESPX |
| Elodea nuttalii | ELONUT |
| Fissidens fontanus | FISFON |
| Fontinalis antipyretica | FONANT |
| Fragilaria | FRASPX |
| Hildenbrandia | HILSPX |
| Hydrocharis morsus-ranae | HYDMOR |
| Leersia oryzoides | LEEORY |
| Lemna gibba | LEMGIB |
| Lemna minor | LEMMIN |
| Lemna minuta | LEMMIT |
| Leptodictyum riparium | LEORIP |
| Leskea polycarpa | LESPOL |
| Ludwigia grandiflora | LUDGRA |
| Lycopus europaeus | LYCEUR |
| Lysimachia vulgaris | LYSVUL |
| Lythrum salicaria | LYTSAL |
| Melosira | MELSPX |
| Mentha aquatica | MENAQU |
| Myosotis scorpioides | MYOSCO |
| Nuphar lutea | NUPLUT |
| Oedogonium | OEDSPX |
| Oscillatoria | OSCSPX |
| Persicaria hydropiper | PERHYD |
| Phalaris arundinacea | PHAARU |
| Phormidium | PHOSPX |
| Polygonum hydropiper | POLHYD |
| Rhizoclonium | RHISPX |
| Rorippa amphibia | RORAMP |
| Solanum dulcamara | SOADUL |
| Sparganium emersum | SPAEME |
| Spirogyra | SPISPX |
| Spirodela polyrhiza | SPRPOL |
| Stachys palustris | STAPAL |
| Vaucheria | VAUSPX |
