| Taxon | Code |
| Agrostis stolonifera | AGRSTO |
| Azolla filiculoides | AZOFIL |
| Callitriche obtusangula | CALOBT |
| Callitriche platycarpa | CALPLA |
| Ceratophyllum demersum | CERDEM |
| Cladophora | CLASPX |
| Elodea nuttalii | ELONUT |
| Fontinalis antipyretica | FONANT |
| Glyceria maxima | GLYMAX |
| Iris pseudacorus | IRIPSE |
| Lemna minor | LEMMIN |
| Lemna minuta | LEMMIT |
| Leptodictyum riparium | LEORIP |
| Melosira | MELSPX |
| Mentha aquatica | MENAQU |
| Myosotis scorpioides | MYOSCO |
| Myriophyllum spicatum | MYRSPI |
| Nasturtium officinale | NASOFF |
| Nitella mucronata | NITMUC |
| Nuphar lutea | NUPLUT |
| Oedogonium | OEDSPX |
| Phalaris arundinacea | PHAARU |
| Potamogeton nodosus | POTNOD |
| Ranunculus penicillatus | RANPEU |
| Ranunculus repens | RANREP |
| Rorippa amphibia | RORAMP |
| Sparganium emersum | SPAEME |
| Sparganium erectum | SPAERE |
| Spirogyra | SPISPX |
| Spirodela polyrhiza | SPRPOL |
| Vaucheria | VAUSPX |
