Origin: Introduced
Conservation Status: Not of concern
[none provided]
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