Regularity: Regularly occurring
Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
- Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley. http://www.tropicos.org/Reference/1719
- Munz, P. A. 1968. Suppl. Calif. Fl. 1–224. University of California Press, Berkeley. http://www.tropicos.org/Reference/1718
NatureServe Conservation Status
Rounded Global Status Rank: T2 - Imperiled
Reasons: Endemic to Santa Catalina Island, Channel Islands, California.