Frangula californica
Frangula californica (Eschsch.) Gray.
Engl.: California buckthorn, California coffee tree, cascara sagrada, thin cascara bark.
Bot. syn.: Rhamnus californica Eschsch.
Rhamnus cathartica. N. F. IV. Buckthorn berries. Baccae Spinae Cervinae.
Classic texts: USDisp 1918.