CNPS Inventory Plant Detail

Frangula purshiana ssp. ultramafica

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

Biology
Lifeform: perennial deciduous shrub Blooming Period: May - July Habitat: serpentinite. • Chaparral • Lower montane coniferous forest • Meadows and seeps • Upper montane coniferous forest

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G4T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
1	9

Presence:

Present Extant	Possibly Extirpated	Extirpated
10	0	0

Notes
Threatened by road maintenance, mining, and vehicles. Not in TJM (1993). See Madrono 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: 2012-08-03

Location

Elevation: 825 - 1930 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Plumas (PLU)

Quads: name (DWR code) USGS code
Meadow Valley (590A) 39121H1, Haskins Valley (590C) 39121G2, Soapstone Hill (591D) 39121G3, Caribou (606C) 40121A2

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
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

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