Calflora, a 501c3 non-profit
Distribution by County   11227    
San diego county needle grass
Stipa diegoensis is a perennial grasslike herb that is native to California, and also found in Baja California.
California Rare Plant Rank: 4.2 (uncommon in CA)
Record Count by County

San Diego: 93 San Luis Obispo: 1 Santa Barbara: 99 Ventura: 71

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 10/16/2026).