Potamogeton densus Linnaeus, Species Plantarum 1: 126. 1753.

"Habitat in Gallia." RCN: 1036.

Lectotype (Haynes in Taxon 35: 566. 1986): Séguier, Herb. Linn. No. 175.4 (LINN) .

Current name: Potamogeton densus L. ( Potamogetonaceae).

Note: Specific epithet spelled “densum” in the protologue.