Calflora, a 501c3 non-profit
Distribution by County   8973    
Polyctenium williamsiae  Rollins
Williams's combleaf
Polyctenium williamsiae is a perennial herb that is native to California.
also called Polyctenium fremontii
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
Record Count by County

Lassen: 6 Mono: 13

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/04/2024).