University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)
UWSP146727a
aea0b633-fc64-48ab-865e-8499f1751b3a
Najas gracillima (A.Braun ex Engelm.) Magnus
Hydrocharitaceae
Berg, Matthew S.
2007-026
2007-08-03
United States, Wisconsin, Polk, North Pipe Lake
45.52567 -92.20015
45.52567° N, 92.20015° W; T35N R15W sec10
Found in almost any bottom conditions, but grows best in rock/sand bottoms in 0.5-1.5 meters of water. It occurs with other sensitive sp. and forms mixed beds with N. flexilis. Common assoc.: (Potamogeton bicupulatus) filament-leaf pondweed,
Uncommon but widely distributed throughout north lake. May also be present in main lake. Microscopic analysis of seeds used to confirm sp. id. [Dupl. accession no.- editor added "a"].