Taxon:Najas gracillima (A. Braun ex Engelm.) Magnus Family: Hydrocharitaceae
Berg, Matthew S. 2007-026
Verbatim Date: 2007-8-3
United States, Wisconsin, Polk, North Pipe Lake
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"].