CNPS Inventory Plant Detail

Arctostaphylos silvicola

Common Name:	Bonny Doon manzanita
Family:	Ericaceae
Synonyms:
Element Code:	PDERI041F0
Full Name:	Arctostaphylos silvicola Jeps. & Wies.
USDA PLANTS Symbol:	ARSI

Biology
Lifeform: perennial evergreen shrub Blooming Period: February - March Habitat: inland marine sands. • Closed-cone coniferous forest • Chaparral • Lower 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: S2.1 S2: Imperiled. .1: Very threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
15	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
16	0	0

Notes
Threatened by sand mining and urbanization. See Erythea 8:101 (1938) 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: 1974-01-01 Last Update: 2012-09-04

Location

Elevation: 120 - 600 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Santa Cruz (SCR)

Quads: name (DWR code) USGS code
Castle Rock Ridge (408A) 37122B1, Big Basin (408B) 37122B2, Davenport (408C) 37122A2, Felton (408D) 37122A1

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 .

-122.0,37.125