Zygnema insigne (Hassall) Kützing
Annotated by Harry K. Phinney, Oct 1949.

Oregon: Benton County: Ditch beside road leading west of Adair, 50' from highway
44.672021° N, 123.223276° W,
Datum: WGS 84. Uncertainty: 647 meters. Coordinate Source: Digital Map.
Ditch beside road. Conjugating.

Charles E. Cutress s.n., Apr 2, 1949
OSC, Barcode: OSC-A-015140