Taxon  Report   11922 
Petrophytum caespitosum  (Nutt.) Rydb.  ssp. caespitosum 
Rock spiraea
Petrophytum caespitosum ssp. caespitosum
© 2009 Steve Matson
Click on a photo to see it bigger.
Petrophytum caespitosum ssp. caespitosum
© 2009 Steve Matson
Petrophytum caespitosum ssp. caespitosum
© 2012 Neal Kramer
Petrophytum caespitosum ssp. 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
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point, line, or polygon

Plant Characteristics
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Bloom Period
Petrophytum caespitosum ssp. caespitosum
© 2005 James M. Andre
Family: ROSACEAE  
Genus: Petrophytum
Parent Record Petrophytum caespitosum
Distribution by County 

Add an Observation of  Petrophytum caespitosum ssp. caespitosum

Name Status:
Accepted by TJM2
PLANTS accepted name: Petrophytum caespitosum var. caespitosum
Alternate Names:
(according to)

TJM2: Petrophyton caespitosum ssp. caespitosum
More information about  Petrophytum caespitosum ssp. caespitosum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
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: Mar 18, 2018).

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