CNPS Inventory Plant Detail

*The database used to provide updates to the Online Inventory is under construction. View updates and changes made since May 2019 here.

Arctostaphylos andersonii

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

2004 Aaron Schusteff

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

Rarity Status
California Rare Plant Rank: 1B.2 Rare 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 CDFW
California Natural Diversity Database

Total # of Known Element Occurrences: 64
Element Occurrence Ranks:

A B C D X U

5 12 12 6 1 28

Population Status:

Historic >20 yrs	Recent <=20 yrs
23	41

Presence:

Present Extant	Possibly Extirpated	Presumed Extirpated
63	1	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

Other States:

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

Quads: name (DWR code) USGS code
Watsonville East (386B) 3612186, Watsonville West (387A) 3612187, Soquel (387B) 3612188, Santa Cruz (387E) 3612281, Mt. Madonna (406C) 3712116, Laurel (407C) 3712118, Loma Prieta (407D) 3712117, Big Basin (408B) 3712222, Davenport (408C) 3712212, Felton (408D) 3712211, Franklin Point (409A) 3712223, Woodside (429A) 3712243, La Honda (429D) 3712233

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

1564

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

Suggested Citation
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website http://www.rareplants.cnps.org [accessed ].

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