| Taxon | Code |
| Agrostis stolonifera | AGRSTO |
| Bidens frondosa | BIDFRO |
| Ceratophyllum demersum | CERDEM |
| Cladophora | CLASPX |
| Fontinalis antipyretica | FONANT |
| Fragilaria | FRASPX |
| Galium palustre | GALPAL |
| Glechoma hederacea | GLEHED |
| Hildenbrandia | HILSPX |
| Iris pseudacorus | IRIPSE |
| Kindbergia praelonga | KINPRA |
| Lemna minor | LEMMIN |
| Lemna minuta | LEMMIT |
| Lemna minuscula | LEMMIU |
| Leptodictyum riparium | LEORIP |
| Ludwigia peploides | LUDPEP |
| Lycopus europaeus | LYCEUR |
| Lythrum salicaria | LYTSAL |
| Melosira | MELSPX |
| Mentha aquatica | MENAQU |
| Myosotis scorpioides | MYOSCO |
| Myriophyllum spicatum | MYRSPI |
| Najas marina | NAJMAR |
| Nuphar lutea | NUPLUT |
| Octodiceras fontanum | OCTFON |
| Oedogonium | OEDSPX |
| Oscillatoria | OSCSPX |
| Persicaria hydropiper | PERHYD |
| Phalaris arundinacea | PHAARU |
| Phormidium | PHOSPX |
| Potamogeton nodosus | POTNOD |
| Ranunculus repens | RANREP |
| Rhizoclonium | RHISPX |
| Rorippa amphibia | RORAMP |
| Scrophularia auriculata | SCRAUR |
| Solanum dulcamara | SOADUL |
| Sparganium emersum | SPAEME |
| Sparganium erectum | SPAERE |
| Spirogyra | SPISPX |
| Spirodela polyrhiza | SPRPOL |
| Stigeoclonium | STISPX |
| Vaucheria | VAUSPX |
| Veronica beccabunga | VERBEC |
