Taxon  Report   435    
Arabis aculeolata  Greene
Waldo rock cress,  Waldo rockcress
Arabis aculeolata, a dicot, is a perennial herb that is native to California, Oregon.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition
Observation Hotline
(observation details)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Arabis
Serpentine affinity: 6.1; (strict endemic)

Communities: Lodgepole Forest, Red Fir Forest, Yellow Pine Forest, Mixed Evergreen Forest

Name Status:
Accepted by CNPS + PLANTS

More information about  Arabis aculeolata
Nursery availability from CNPLX
This plant is available commercially.
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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jun 17, 2019).