Calflora, a 501c3 non-profit
Distribution by County   489    
Arabis rigidissima  Rollins  var. demota  Rollins
Carson range rock cress,   Trinity mountain rockcress
Arabis rigidissima var. demota 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

El Dorado: 1 Placer: 2

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:   (Accessed: 06/17/2024).