Stanford Manzanita (Arctostaphylos stanfordiana ssp. decumbens)

Global Rank: T1 - Critically Imperiled
Legal Status: N/A
Family: Ericaceae
State: CA
Nature Serve ID: 160632
Lifeform: Shrub
Date Inducted in National Collection: 01/21/2022

Description:

Where is Stanford Manzanita (Arctostaphylos stanfordiana ssp. decumbens) located in the wild?

Habitat:

Highly restricted to red rhyolites in Sonoma County at elevations of 75-310 m (California Department of Fish and Game 1997). (NatureServe 2022)

Distribution:

Endemic to Sonoma County, California, Arctostaphylos stanfordiana ssp. decumbens is known from eight extant occurrences and one possibly extirpated occurrence. This plant is highly restricted to red rhyolites. The taxon is seriously threatened by development, road construction, vehicle activity, and viticulture. (NatureServe 2022)

States & Provinces:

Stanford Manzanita can be found in California

Which CPC Partners conserve Stanford Manzanita (Arctostaphylos stanfordiana ssp. decumbens)?

University of California Botanical Garden

Not Sponsored

Assigned 02/09/18

University of California-Santa Cruz Arboretum & Botanic Garden

Not Sponsored

Assigned 12/23/21

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

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Stanford Manzanita (Arctostaphylos stanfordiana ssp. decumbens) Characteristics

Nomenclature

Taxon	Arctostaphylos stanfordiana ssp. decumbens
Authority	(P.V. Wells) P.V. Wells
Family	Ericaceae
CPC Number	45129
ITIS	525089
USDA	ARSTD4
Duration	Perennial
Common Names	Rincon manzanita
Associated Scientific Names	Arctostaphylos stanfordiana ssp. decumbens
Distribution	Endemic to Sonoma County, California, Arctostaphylos stanfordiana ssp. decumbens is known from eight extant occurrences and one possibly extirpated occurrence. This plant is highly restricted to red rhyolites. The taxon is seriously threatened by development, road construction, vehicle activity, and viticulture. (NatureServe 2022)

State Rank

State	State Rank
California	S1

Ecological Relationships

Photos

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