Taxon  Report   11920 
Petrophytum caespitosum  (Nutt.) Rydb.
Mat rockspirea
Petrophytum caespitosum
© 2000 John Game
More photos from
CalPhotos / Calflora
Petrophytum caespitosum
© 2003 Michael Charters
Petrophytum caespitosum
© 2014 Zoya Akulova
Petrophytum caespitosum, a dicot, is a shrub that is native to California and is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Petrophytum caespitosum
© 2010 Zoya Akulova
Pinyon-Juniper Woodland, Yellow Pine Forest, Red Fir Forest
Distribution by County 

Add an Observation of  Petrophytum caespitosum

Name Status:
Accepted by JEF + PLANTS
Alternate Names:
(according to)

ICPN: Petrophyton caespitosum
More information about  Petrophytum caespitosum
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


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: Jul 23, 2018).

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