Taxon  Report   489    
Arabis rigidissima  Rollins  var. demota  Rollins
Carson range rock cress,  Trinity mountain rockcress
Check for photos on
CalPhotos / Calflora
Arabis rigidissima var. demota, a dicot, is a perennial herb that is native to California, Nevada.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

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

ICPN accepted name:
Boechera rigidissima

More information about  Arabis rigidissima var. demota
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Dec 18, 2018).