Publication: Willdenowia 42(1): 17. 2012.
Origin: Native
Herbarium search: CPNWH
Notes: Not reported in WA by either H&C or FNA, however identification of single specimen collected in WA verified by Noel Holmgren in 2011 in association with publication of final volume of Intermountain Flora. Presence in WA represents significant disjunction from known range from southern ID, southeastern OR south to Baja California.
Last updated 10/17/2023 by David Giblin.