CNPS Inventory Plant Detail

Arctostaphylos andersonii

Common Name:	Anderson's manzanita
Family:	Ericaceae
Synonyms:
Element Code:	PDERI04030
Full Name:	Arctostaphylos andersonii Gray
USDA PLANTS Symbol:	ARAN2

Biology
Lifeform: perennial evergreen shrub Blooming Period: November - May Habitat: openings, edges. • Broadleafed upland forest • Chaparral • North Coast coniferous forest

Rarity Status
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: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 40
Element Occurrence Ranks:

A B C D X U

3 5 4 4 0 24

Population Status:

Historic >20 yrs	Recent <=20 yrs
19	21

Presence:

Present Extant	Possibly Extirpated	Extirpated
40	0	0

Notes

Confused with other species merged with it as varieties. Threatened by development and road maintenance. See Proceedings of the American Academy of Arts and Sciences 11:83 (1876) for original description, and North American Flora 29:98 (1914) for additional information.
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: 2010-06-22

Location

Elevation: 60 - 760 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Santa Clara (SCL), Santa Cruz (SCR), San Mateo (SMT)

Quads: name (DWR code) USGS code
Santa Cruz (387E) 36122H1, Mt. Madonna (406C) 37121A6, Laurel (407C) 37121A8, Loma Prieta (407D) 37121A7, Big Basin (408B) 37122B2, Davenport (408C) 37122A2, Felton (408D) 37122A1, Franklin Point (409A) 37122B3, Mountain View (428A) 37122D1, Woodside (429A) 37122D3, La Honda (429D) 37122C3, Montara Mountain (448C)? 37122E4, San Mateo (448D) 37122E3

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

1564

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Wildlife: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. http://www.rareplants.cnps.org. Accessed .

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