Anabaena circinalis Rabenh.

Oregon: Linn County: Peoria Road, 2 miles south of and 1 mile east of Corvallis
44.542001° N, 123.187063° W,
Datum: WGS 84. Uncertainty: 2000 meters. Coordinate Source: Digital Map.
Bloom floating, scum, and dispersed on small lake.

Charles E. Cutress 1.5.23.49, May 23, 1949
OSC, Barcode: OSC-A-013322