Sagittaria subulata (L.) Buchenau var. gracillima (Wats.) J.G. Sm.
[= Sagittaria filiformis]

Washington: Okanogan County: Moccasin Lake.
48.42167° N, 120.205° W; T34N R21E S27 NW 1/4
Coordinate Source: Estimated.
Growing in about 8 inches of water. The leaves were floating on the surface and the fruits were emergent.

Daniel Brown 1986-6, Jul 5, 1986
WS, Accession: 368887