Frangula purshiana ssp. ultramafica
Common Name: Caribou coffeeberry
Family: Rhamnaceae
Element Code: PDRHA0H061
Full Name: Frangula purshiana Cooper ssp. ultramafica J.O. Sawyer & S.W. Edwards

2010 Dean W. Taylor, Ph.D.
Biology Glossary
  • Lifeform: perennial deciduous shrub
  • Blooming Period: May - July
  • Habitat: serpentinite.
    • Chaparral
    • Lower montane coniferous forest
    • Meadows and seeps
    • Upper montane coniferous forest
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 36
  • Element Occurrence Ranks:
    A B C D X U
    3 4 0 0 0 29
  • Population Status:
    >20 yrs
    <=20 yrs
    0 36
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    36 0 0
Notes Glossary
  • Threatened by road maintenance, mining, and vehicles. Not in TJM (1993). See Madroño 54(2): 172-174 (2007) 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: 2008-02-01
  • Last Update: 2015-01-07
Location Glossary
  • Elevation: 825 - 1930 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Butte (BUT),  Plumas (PLU),  Sierra (SIE)
  • Quads:   name (DWR code) USGS code
    La Porte (573B) 39120F8,  Clipper Mills (574C) 39121E2,  Spring Garden (589A) 39120H7,  Quincy (589B) 39120H8,  Onion Valley (589C) 39120G8,  Meadow Valley (590A) 39121H1,  Bucks Lake (590B) 39121H2,  Haskins Valley (590C) 39121G2,  Soapstone Hill (591D) 39121G3,  Paradise East (592D) 39121G5,  Caribou (606C) 40121A2,  Twain (606D) 40121A1,  Belden (607D) 40121A3
  • 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.
Presumed Extant Presumed Extirpated or Unknown 3296
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

39120F8=La Porte (573B) 39120F8;39121E2=Clipper Mills (574C) 39121E2;39120H7=Spring Garden (589A) 39120H7;39120H8=Quincy (589B) 39120H8;39120G8=Onion Valley (589C) 39120G8;39121H1=Meadow Valley (590A) 39121H1;39121H2=Bucks Lake (590B) 39121H2;39121G2=Haskins Valley (590C) 39121G2;39121G3=Soapstone Hill (591D) 39121G3;39121G5=Paradise East (592D) 39121G5;40121A2=Caribou (606C) 40121A2;40121A1=Twain (606D) 40121A1;40121A3=Belden (607D) 40121A3