Canada's Plant Hardiness Site

Potamogetonaceae pondweed family
Potamogeton pusillus subsp. tenuissimus (Mert. & W.D.J.Koch) R.R.Haynes & Hellq.
En: Berchtold's pondweed, slender pondweed;
Fr: potamot tres tenu

• [=Potamogeton berchtoldii Fieber]
• [=Potamogeton berchtoldii Fieber var. acuminatus Fieber]
• [=Potamogeton berchtoldii Fieber var. colpophilus (Fernald) Fernald]
• [=Potamogeton berchtoldii Fieber var. lacunatus (Hagstr.) Fernald]
• [=Potamogeton berchtoldii Fieber var. mucronatus Fieber]
• [=Potamogeton berchtoldii Fieber var. polyphyllus (Morong) Fernald]
• [=Potamogeton berchtoldii Fieber var. tenuissimus (Mert. & W.D.J.Koch) Fernald]
• [=Potamogeton lacunatus Hagstr.]
• [=Potamogeton pusillus L. var. acuminatus (Fieber) Graebn.]
• [=Potamogeton pusillus L. var. capitatus A.Benn., nom. illeg.]
• [=Potamogeton pusillus L. var. colpophilus Fernald]
• [=Potamogeton pusillus L. var. elongatus A.Benn. ex Macoun]
• [=Potamogeton pusillus L. var. mucronatus (Fieber) Graebn.]
• [=Potamogeton pusillus L. var. polyphyllus Morong]
• [=Potamogeton pusillus L. var. tenuissimus Mert. & W.D.J.Koch in Röhl. - basionym]
• [=Potamogeton pusillus L. var. typicus Fernald, nom. inval.]
• [=Potamogeton turionifera Hagstr. forma mucronulatus Hagstr.]