Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring east of the Cascades in Washington, chiefly in the central part of the state; Washington to California, east to the Great Plains.PNW Herbaria: Specimen records of Sphaerophysa in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Sphaerophysa checklist entry
OregonFlora: Sphaerophysa information
E-Flora BC: Sphaerophysa atlas page
CalPhotos: Sphaerophysa photos