Eunotia lunaris (Ehrenb.) Grunow
[= Eunotia curvata]
Annotated by R. Patrick.

Montana: Ravalli County: Twin Lakes
46.158433° N, 114.497754° W,
Datum: WGS 84. Uncertainty: 853 meters. Coordinate Source: Digital Map.
From the cracked bottom of upper lake. With Eunotia praerupta, E. tridentula, and Neidium sp.

Fred A. Barkley 4811, Oct 12, 1940
With R. A. Diettert
OSC, Barcode: OSC-A-014433