Distribution by County   6921    
Psorothamnus arborescens  (A. Gray) Barneby  var. simplicifolius  (Parish) Barneby
California indigo bush,   California indigobush
Psorothamnus arborescens var. simplicifolius, a dicot, is a shrub that is native to California, and endemic (limited) to California.
Record Count by County

Riverside: 120 San Bernardino: 49 Tulare: 1

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 06/29/2022).