Taxon  Report   6274    
Petrophyton caespitosum  (Nutt.) Rydb.  ssp. caespitosum   
(no longer an active name)
Rock spiraea
Petrophyton caespitosum ssp. caespitosum, a dicot, is a shrub that is native to California, is also found outside of California, but is confined to western North America.

Bloom Period
Name Status:
Accepted in JM93

JEF spelling variant of Petrophytum caespitosum ssp. caespitosum

NOTE: Petrophyton caespitosum ssp. caespitosum is no longer an active name.
More information about  Petrophyton caespitosum ssp. caespitosum
Nursery availability from CNPLX
Commercial availability unknown.
Search (Flora of North America)

Landscape information from Calscape

Photos on Google Images

Consortium of California Herbaria

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: Nov 22, 2019).