Publication: Syn. Fl. N. Amer. 1: 268. 1897.
Origin: Introduced from Oregon and California
Herbarium search: CPNWH
Notes: Recently (2017) observed growing in the Goat Rocks Wilderness Area. Originally reported in 1st edition Flora PNW as having been transplanted there. Apparently still persisting.
Infraspecies:
Last updated 2/28/2024 by David Giblin.