Allium columbianum (Ownbey & Mingrone) Peterson, Annable, & Rieseberg var. columbianumWashington: Spokane County: 2 mi north of Spangle.
47.45645° N, 117.37917° W
Coordinate Source: Estimated.
Very abundant in low, rocky prairie. Holotype. Syst. Bot. 13(2):207-214.
Holotype.Marion Ownbey 2538, Jun 21, 1942
With Hannah C. Aase
WS, Accession: 121671