Euphorbia jaegeri
Common Name: Orocopia Mountains spurge
Family: Euphorbiaceae
Element Code: PDEUP0Q440
Full Name: Euphorbia jaegeri V.W. Steinmann & J. AndreĀ“

2013 Keir Morse
Biology Glossary
  • Lifeform: perennial shrub
  • Blooming Period: Oct-May
  • Habitat: Rocky hillsides and arroyos, gravelly or rocky crevices; granitic, carbonate, or metamorphic.
    • Mojavean desert scrub
Rarity Status Glossary
Occurrence Data from CDFW
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 4
  • Element Occurrence Ranks:
    A B C D X U
    0 1 3 0 0 0
  • Population Status:
    >20 yrs
    <=20 yrs
    0 4
  • Presence:
    Present Extant Possibly Extirpated Presumed Extirpated
    4 0 0
Notes Glossary
  • Known only from the Bristol, Marble, and Orocopia Mtns. Potentially occurs in the Coxcomb, Eagle, Iron, and Sheephole Mtns.; needs field surveys. Threatened by road maintenance and mining. Potentially threatened by wind energy development. Similar to E. polycarpa and E. setiloba (see Chamaesyce polycarpa and C. setiloba in TJM 2). Not in TJM 2. See Aliso 30:1-4 (2012) for original description.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 2013-01-17
  • Last Update: 2013-01-23
Location Glossary
  • Elevation: 600 - 850 meters
  • California Endemic: yes
  • Other States:
  • California Counties and Islands:   name (code)
    Riverside (RIV),  San Bernardino (SBD)
  • Quads:   name (DWR code) USGS code
    Hayfield (062B) 3311566,  Amboy (151C) 3411556,  Cadiz (151D) 3411555,  East of Siberia (152A) 3411567
  • 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.
Presumed Extant Presumed Extirpated or Unknown 3751
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 ].

3311566=Hayfield (062B) 3311566;3411556=Amboy (151C) 3411556;3411555=Cadiz (151D) 3411555;3411567=East of Siberia (152A) 3411567