Publication: Journal of the Botanical Research Institute of Texas 2(1): 202. 2008.
Origin: Native
Herbarium search: CPNWH
Notes: Presence in WA confirmed by Barbara Ertter on the basis of Kruckeberg 6545 (WTU-280835), Okanogan County.
Infraspecies:
Last updated 4/25/2020 by David Giblin.