Potamogeton filiformis Pers. var. foliosus

Oregon: Malheur County: Ca. 2.5 mi above Three Forks of the Owyhee River by cliffs on E bank of river. Elev. 3800 ft.
42° 32' N, 117° 11' W; T35S R45E S10 SE of NW 1/4
Submerged in slow water, with Potamogeton robbinsii, Elodea canadensis, Ceratophyllum demersum and Nitella. Phenology: Fruits.

D. Mansfield 01-259, Jul 12, 2001
ID, Accession: 127408, Barcode: ID006502