Inventaire macrophytes La Bèthe à le Brignon
| Taxon | Code |
|---|---|
| Agrostis gigantea | AGRGIG |
| Agrostis stolonifera | AGRSTO |
| Alopecurus | ALOSPX |
| Cladophora | CLASPX |
| Epilobium | EPISPX |
| Epilobium tetragonum | EPITET |
| Glyceria | GLYSPX |
| Melosira | MELSPX |
| Phalaris arundinacea | PHAARU |
| Poa | POASPX |
| Ranunculus repens | RANREP |
| Rhynchostegium riparioides | RHYRIP |
| Veronica anagallis-aquatica | VERANA |
| Veronica beccabunga | VERBEC |