| Agrostis stolonifera | AGRSTO |
| Alisma plantago-aquatica | ALIPLA |
| Bangia | BANSPX |
| Batrachospermum | BATSPX |
| Bidens frondosa | BIDFRO |
| Bolboschoenus maritimus | BOLMAR |
| Bulbochaete | BULSPX |
| Calamagrostis pseudophragmites | CAGPSE |
| Carex | CARSPX |
| Chara contraria | CHACON |
| Chara vulgaris | CHAVUL |
| Chaetophora | CHESPX |
| Cladophora | CLASPX |
| Cymbella | CYBSPX |
| Diatoma | DIASPX |
| Didymosphenia | DIYSPX |
| Draparnaldia | DRASPX |
| Echinochloa crus-galli | ECHCRU |
| Encyonema | ENCSPX |
| Equisetum arvense | EQUARV |
| Equisetum ramosissimum | EQURAM |
| Gomphonema | GOPSPX |
| Groenlandia densa | GRODEN |
| Helosciadium nodiflorum | HELNOD |
| Juncus articulatus | JUNART |
| Juncus | JUNSPX |
| Lycopus europaeus | LYCEUR |
| Lythrum salicaria | LYTSAL |
| Mentha | MENSPX |
| Mougeotia | MOUSPX |
| Nasturtium officinale | NASOFF |
| |
| Oedogonium | OEDSPX |
| Persicaria lapathifolia | PERLAP |
| Persicaria maculosa | PERMAC |
| Phormidium | PHOSPX |
| Phragmites australis | PHRAUS |
| Polygonum | POLSPX |
| Potamogeton pectinatus | POTPEC |
| Potamogeton pusillus | POTPUS |
| Schoenoplectus lacustris | SCNLAC |
| Sparganium erectum | SPAERE |
| Spirogyra | SPISPX |
| Stigeoclonium | STISPX |
| Tussilago farfara | TUSFAR |
| Typha | TYPSPX |
| Veronica anagallis-aquatica | VERANA |
| Veronica beccabunga | VERBEC |
| Xanthium orientale subsp. italicum | XANORI |
| Zannichellia palustris | ZANPAL |
| Zygnema | ZYGSPX |
