Inventaire macrophytes Orb à Cessenon-sur-Orb
| Taxon | Code |
|---|---|
| Agrostis stolonifera | AGRSTO |
| Alisma lanceolatum | ALILAN |
| Amblystegium riparium | AMBRIP |
| Bryum | BRYSPX |
| Carex | CARSPX |
| Ceratophyllum demersum | CERDEM |
| Chara contraria | CHACON |
| Chara globularis | CHAGLO |
| Chara vulgaris | CHAVUL |
| Cinclidotus danubicus | CINDAN |
| Cladophora | CLASPX |
| Cratoneuron filicinum | CRAFIL |
| Diatoma | DIASPX |
| Eleocharis acicularis | ELEACI |
| Eleocharis multicaulis | ELEMUL |
| Eleocharis palustris | ELEPAL |
| Eleocharis striatulus | ELESTR |
| Enteromorpha | ENTSPX |
| Equisetum arvense | EQUARV |
| Equisetum palustre | EQUPAL |
| Equisetum ramosissimum | EQURAM |
| Fontinalis antipyretica | FONANT |
| Geitlerinema | GEISPX |
| Helosciadium nodiflorum | HELNOD |
| Heribaudiella | HERSPX |
| Hildenbrandia | HILSPX |
| Hydrodictyon | HYISPX |
| Juncus articulatus | JUNART |
| Lemanea | LEASPX |
| Leersia oryzoides | LEEORY |
| Lemna gibba | LEMGIB |
| Lemna minor | LEMMIN |
| Leptodictyum riparium | LEORIP |
| Ludwigia peploides | LUDPEP |
| Lysimachia vulgaris | LYSVUL |
| Lythrum salicaria | LYTSAL |
| Melosira | MELSPX |
| Mentha aquatica | MENAQU |
| Mougeotia | MOUSPX |
| Myriophyllum spicatum | MYRSPI |
| Nasturtium officinale | NASOFF |
| Oedogonium | OEDSPX |
| Oscillatoria | OSCSPX |
| Paspalum distichum | PASDIS |
| Pellia endiviifolia | PELEND |
| Persicaria hydropiper | PERHYD |
| Phalaris arundinacea | PHAARU |
| Phormidium | PHOSPX |
| Potamogeton crispus | POTCRI |
| Potamogeton nodosus | POTNOD |
| Potamogeton panormitanus | POTPAN |
| Potamogeton pectinatus | POTPEC |
| Potamogeton pusillus | POTPUS |
| Ranunculus fluitans | RANFLU |
| Ranunculus penicillatus | RANPEU |
| Ranunculus | RANSPX |
| Rhynchostegium riparioides | RHYRIP |
| Rorippa sylvestris | RORSYL |
| Scirpus lacustris | SCILAC |
| Sparganium | SPASPX |
| Spirogyra | SPISPX |
| Stigeoclonium | STISPX |
| Tolypothrix | TOYSPX |
| Ulothrix | ULOSPX |
| Veronica anagallis-aquatica | VERANA |
| Zannichellia palustris | ZANPAL |
| Zygnema | ZYGSPX |