Taxon  Report   11921 
Petrophytum caespitosum  (Nutt.) Rydb.  ssp. acuminatum  (Rydb.) Munz
Marble rockmat
Petrophytum caespitosum ssp. acuminatum
© © 2012 Gary A. Monroe
More photos from
CalPhotos / Calflora
Petrophytum caespitosum ssp. acuminatum, a dicot, is a shrub that is native to California and is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

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Observation Hotline
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point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Petrophytum caespitosum ssp. acuminatum
© 2012 Gary A. Monroe
Family: ROSACEAE  
Genus: Petrophytum
Parent Record Petrophytum caespitosum
Distribution by County 

Add an Observation of  Petrophytum caespitosum ssp. acuminatum

Name Status:
Accepted by JEF + CNPS
PLANTS accepted name: Petrophytum acuminatum
Alternate Names:
(according to)

ICPN + CNPS: Petrophyton caespitosum ssp. acuminatum
ICPN: Petrophytum acuminatum
More information about  Petrophytum caespitosum ssp. acuminatum
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: Jul 15, 2018).

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