Taxon  Report   461 
Arabis johnstonii  Munz  (not an active name; please see Boechera johnstonii)
Johnston's rock cress,  Johnston's rockcress
Arabis johnstonii
© 2008 Jordan Zylstra
Click on a photo to see it bigger.
Arabis johnstonii, a dicot, is a perennial herb that is native to California and is endemic (limited) to California.
CNPS Rare Plant Rank: [1B.2] (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Arabis johnstonii
© 2008 Jordan Zylstra
Genus: Arabis
Chaparral, Yellow Pine Forest
Name Status:
Accepted by PLANTS + JM93
TJM2 + CNPS accepted name: Boechera johnstonii
NOTE: Arabis johnstonii is not an active name in the Calflora species table.
More information about  Arabis johnstonii
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: Mar 18, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.