Taxon  Report   490    
Arabis rigidissima  Rollins  var. rigidissima 
Trinity mountain rockcress,  Trinity mtns. rock cress
Arabis rigidissima var. rigidissima, a dicot, is a perennial herb that is native to California and and is endemic (limited) to California.
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).   CNPS Inventory
Observation Search
(19 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Arabis
Parent: Arabis rigidissima
Communities: Red Fir Forest
Name Status:
Accepted by CNPS + PLANTS

JEF other name:
Boechera rigidissima

More information about  Arabis rigidissima var. rigidissima
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: May 25, 2020).