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

"Habitat in Europae rivulis." RCN: 1039.

Neotype (Haynes in Taxon 35: 568. 1986): Herb. Linn. No. 66.1 (S) .

Current name: Potamogeton densus L. ( Potamogetonaceae).

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