Nostoc alpinum Kützing

Washington: Washougal River
45.588822° N, 122.368163° W,
Datum: WGS 84. Uncertainty: 4707 meters. Coordinate Source: Digital Map.
On flat rock ledge under water. A so-called Blue-green algae. Prof. Sweetser says- "I have collected it from Mountain streams in Oregon attached to rocks over which the waters were rushing" Substrate: rock.

George Blodget s.n., Jun 20, 1915
OSC, Barcode: OSC-A-010602