Taxon  Report   8843    
Sibaropsis hammittii  S. D. Boyd & T. S. Ross
Hammitt's claycress
Sibaropsis hammittii
© 2016 Ron Vanderhoff
Photos from
CalPhotos / Calflora
Sibaropsis hammittii
© 2004 Bob Allen
Sibaropsis hammittii
© 2004 Bob Allen
Sibaropsis hammittii, a dicot, is an annual herb that is native 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)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Sibaropsis hammittii
© 2016 Ron Vanderhoff
Genus: Sibaropsis
Name Status:
Accepted by JEF + CNPS + PLANTS

More information about  Sibaropsis hammittii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


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 21, 2019).