Taxon  Report   435 
Arabis aculeolata  E. Greene
Waldo rock cress,  Waldo rockcress
Arabis aculeolata
© 2008 Keir Morse
Click on a photo to see it bigger.
Arabis aculeolata
© 2005 Jennifer L. Kalt
Arabis aculeolata
© 2015 John Doyen
Arabis aculeolata, a dicot, is a perennial herb that is native to California and Oregon.
CNPS Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common 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 aculeolata
© 2015 John Doyen
Genus: Arabis
Lodgepole Forest, Red Fir Forest, Yellow Pine Forest, Mixed Evergreen Forest
AFFINITY to serpentine soil:   6.1 (strict endemic)   [Safford et al 2005]
Name Status:
Accepted by CNPS + PLANTS + JM93
More information about  Arabis aculeolata
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: Feb 20, 2018).

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