CNPS Inventory Plant Detail

Arctostaphylos stanfordiana ssp. raichei

Common Name:	Raiche's manzanita
Family:	Ericaceae
Synonyms:
Element Code:	PDERI041G2
Full Name:	Arctostaphylos stanfordiana Parry ssp. raichei Knight
USDA PLANTS Symbol:	ARSTR

Biology
Lifeform: perennial evergreen shrub Blooming Period: February - April Habitat: rocky, often serpentinite. • Chaparral • Lower montane coniferous forest (openings)

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2? S2: Imperiled. Global Rank: G3T2? T2: Imperiled. G3: (species) Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 4
Element Occurrence Ranks:

A B C D X U

0 0 0 0 0 4

Population Status:

Historic >20 yrs	Recent <=20 yrs
3	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
4	0	0

Notes
Threatened by urbanization. See Four Seasons 7(3):18 (1985) 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: 1988-01-01 Last Update: 2010-03-15

Location

Elevation: 450 - 1000 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Lake (LAK), Mendocino (MEN)

Quads: name (DWR code) USGS code
Kelseyville (534A)? 38122H7, Yorkville (535B) 38123H2, Cow Mountain (550A) 39123B1, Purdys Gardens (550D) 39123A1, Noble Butte (600B) 39123H6, Leggett (600C) 39123G6

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

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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