Taxon  Report   435    
Arabis aculeolata  Greene
Waldo rock cress,  Waldo rockcress
Arabis aculeolata
© 2015 John Doyen
Photos from
CalPhotos / Calflora
Arabis aculeolata
© 2005 Jennifer L. Kalt
Arabis aculeolata
© 2015 John Doyen
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

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Arabis aculeolata
© 2008 Keir Morse
Genus: Arabis
Communities: Lodgepole Forest, Red Fir Forest, Yellow Pine Forest, Mixed Evergreen Forest

Serpentine affinity: 6.1; (strict endemic)

Name Status:
Accepted by CNPS + PLANTS

More information about  Arabis aculeolata
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).