Robert W. Freckmann Herbarium


  Potamogeton pusillus L. subsp. tenuissimus (Mert. & W.D.J.Koch) R.R.Haynes & Hellq. image
Photographer: Robert W. Freckmann           

Robert W. Freckmann

Robert W. Freckmann
Family Potamogetonaceae
Potamogeton pusillus L. subsp. tenuissimus (Mert. & W.D.J.Koch) R.R.Haynes & Hellq.
narrow-leaved small pondweed, slender pondweed, small pondweed
Potamogeton: from Greek potamos, "a river," and geiton, "a neighbor," because of the habitat
pusillus: very small
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: perennial aquatic; from rhizomes
Flower: green-brown, small; inflorescence spike
Fruit:dry seed
Leaf:alternate, entire, with prominent midvein
(Glossary)

More Information Natural Communities Herbarium Specimens
All Potamogeton list Google- Images or Text

Flora of North America (off site)
Synonyms 
Potamogeton berchtoldii Fieber
Potamogeton berchtoldii Fieber var. acuminatus Fieber
Potamogeton berchtoldii Fieber var. berchtoldii
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 pusillus L. var. mucronatus (Fieber) Graebn.
Potamogeton pusillus L. var. tenuissimus Mert. & W.D.J.Koch

         
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