Taxon Report

Physaria chambersii Roll.

Chambers' physaria

Print Report


Taxon Summary

Physaria chambersii, commonly known as Chambers' physaria, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland (carbonate, and rocky), growing at elevations from 1500 to 2590 meters. Physaria chambersii is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.


  Classification

Scientific Name:
Physaria chambersii Roll.
Common Name:
Chambers' physaria
Family: Brassicaceae
Element Code: PDBRA22050
USDA Plants Symbol: PHCH2
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-May Apr-May
Elevation: 1500-2590 (4920-8500)
General Habitats: Pinyon and juniper woodland
Microhabitat:
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 2B.3
Global Rank: G5
State Rank:
S3
State List: None
Fed List: None
Other Status: SB_CalBG/RSABG
CRPR Changes:
  • changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 2
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 6
California Endemic:  False
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Clark Mtn. (3511555), Mescal Range (3511545)

Threat List Data from the CNDDB

Threat List Total: 2
EOs with Threat Listed: Total EOs % of EOs
1 13 %
Grazing 1 12%
Non-native animal impacts 1 12%

Notes

On review list in OR. See Rhodora 41:403 (1939) for original description.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 March 2025].