Canada's Plant Hardiness Site

Potamogetonaceae pondweed family
Potamogeton richardsonii (A.Benn.) Rydb.
En: Richardson's pondweed;
Fr: potamot de richardson

• [=Potamogeton perfoliatus L. subsp. richardsonii (A.Benn.) Hultén]
• [=Potamogeton perfoliatus L. var. lanceolatus J.W.Robbins, nom. illeg. hom., non Blytt]
• [=Potamogeton perfoliatus L. var. richardsonii A.Benn. - basionym]
• [=Spirillus perfoliatus (L.) Nieuwl. var. richarsonii (A.Benn.) Nieuwl.]