U.S.A., Wyoming, Natrona, Upper North Platte and Laramie River Drainages: Platte River Parkway, ca 0.3 air mi N of Wyo Hwy 220; ca 1 air mi S of Mills.
42.8292 -106.3719
42.8292° N, 106.3719° W; T33N R79W S18
1555 meters
5100 ft.
Thickets along river and adjacent gravelly areas; canary grass common.