Species: Potamogeton praelongus | Potamot allongé Date: 22/08/1936 State: Occitanie
Data resource: Observations Flore, Fonge et Bryophytes du Parc National des Pyrénées Basis of record: Terrain View record
Species: Potamogeton praelongus | Potamot allongé Date: 31/12/1932 State: Auvergne-Rhône-Alpes
Data resource: ONF - Observations opportunistes et inventaires Basis of record: Terrain View record
Species: Potamogeton praelongus | Potamot allongé Date: 01/01/1932 - 01/01/1963 State: Auvergne-Rhône-Alpes
Data resource: CBNMC Basis of record: Littérature View record