Calflora, a 501c3 non-profit
Distribution by County   7857    
Streptanthus oliganthus  Rollins
Masonic mountain jewelflower, Masonic mtn. jewel flower
Streptanthus oliganthus is a perennial herb that is native to California, and also found in Nevada.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
Record Count by County

Inyo: 3 Mono: 42 Tuolumne: 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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/22/2026).