Critically Imperiled Plant Profile (Not Listed or Proposed under the Endangered Species Act)
This species is known from both limestone and granite cliffs in the southern Sierra Nevada. Photo by Dana York.
Petrophyton acuminatum range map.
Petrophyton acuminatum, big arroyo rockmat (also known as, Petrophytum acuminatum, Petrophyton caespitosum ssp. acuminatum)
- This plant is known from a relatively small area in the southern Sierra Nevada. Current information on population sizes and threats are needed.
- No threats are known for any of the sites.
National Forest and Grassland Occurrence