Psorothamnus arborescens var. arborescens
Common Name: Mojave indigo-bush
Family: Fabaceae
Synonyms: Dalea arborescens
Element Code: PDFAB3C011
Full Name: Psorothamnus arborescens (Gray) Barneby var. arborescens

2005 Michelle Cloud-Hughes
Biology Glossary
Rarity Status Glossary
Occurrence Data from CDFW
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences:
  • Element Occurrence Ranks:
    A B C D X U
  • Population Status:
    >20 yrs
    <=20 yrs
  • Presence:
    Present Extant Possibly Extirpated Presumed Extirpated
Notes Glossary
  • Potentially threatened by proposed expansion of Ft. Irwin (DOD). See Memoirs of the New York Botanical Garden 27:182 (1977) for taxonomic treatment.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1974-01-01
  • Last Update: 2010-03-15
Location Glossary
  • Elevation: 400 - 1185 meters
  • California Endemic: no
  • Other States: Sonora
  • California Counties and Islands:   name (code)
    Kern (KRN),  San Bernardino (SBD)
  • Quads:   name (DWR code) USGS code
    Barstow SE (182D) 3411771,  Paradise Range (206A) 3511627,  Fort Irwin (230C) 3511636,  Tiefort Mountains (230D) 3511635,  East of Goldstone (231D) 3511637,  Black Hills (233A) 3511743
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable. This data should NOT be substituted for pre-project review or for on-site surveys.
Includes unprocessed quads for CRPR 3 and 4 plants; unprocessed location data has not been quality controlled and may contain errors.
Presumed Extant Presumed Extirpated or Unknown 1404
Links to Leading Resources of Taxon Information
Suggested Citation
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website [accessed ].

3411771=Barstow SE (182D) 3411771;3511627=Paradise Range (206A) 3511627;3511636=Fort Irwin (230C) 3511636;3511635=Tiefort Mountains (230D) 3511635;3511637=East of Goldstone (231D) 3511637;3511743=Black Hills (233A) 3511743