Taxon  Report   490 
Arabis rigidissima  Rollins  var. rigidissima 
Trinity mountain rockcress,  Trinity mtns. rock cress
Arabis rigidissima var. rigidissima
© 2015 Dana York
Click on a photo to see it bigger.
Arabis rigidissima var. rigidissima
© 2015 Dana York
Arabis rigidissima var. rigidissima
© 2011 Sierra Pacific Industries
Arabis rigidissima var. rigidissima, a dicot, is a perennial herb that is native to California and is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Arabis rigidissima var. rigidissima
© 2011 Sierra Pacific Industries
Genus: Arabis
Red Fir Forest
Distribution by County 

Add an Observation of  Arabis rigidissima var. rigidissima

Name Status:
Accepted by CNPS + PLANTS + JM93
TJM2 accepted name: Boechera rigidissima
More information about  Arabis rigidissima var. rigidissima
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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: Jan 18, 2018).

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