Calflora
Taxon  Report   11921    
Petrophytum caespitosum  (Nutt.) Rydb.  ssp. acuminatum  (Rydb.) Munz
Marble rockmat
Petrophytum caespitosum ssp. acuminatum, a dicot, is a shrub that is native to California and and is endemic (limited) to California.
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).   CNPS Inventory
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(19 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period

Name Status:
Accepted by JEF + CNPS

PLANTS other name:
Petrophytum acuminatum

Alternate Names:
JEF + CNPS: Petrophyton caespitosum ssp. acuminatum
ICPN: Petrophytum acuminatum
More information about  Petrophytum caespitosum ssp. acuminatum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (PEAC4)

Search efloras.org (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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jul 12, 2020).