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Taxon  Report  
Arctostaphylos crustacea  Eastw.  ssp. insulicola  (P.V. Wells) V.T. Parker, M.C. Vasey, & J.E. Keeley
Island manzanita
Arctostaphylos crustacea ssp. insulicola is a shrub that is native to California, and endemic (limited) to California.
also called Arctostaphylos tomentosa ssp. insulicola
California Rare Plant Rank: 4.2 (limited distribution).
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
~73 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Arctostaphylos crustacea
Genus: Arctostaphylos
Family: Ericaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Communities: Closed-cone Pine Forest, Chaparral
Name Status:
Accepted by JEF + JEF + CNPS
Alternate Names:
JEF + CNPSArctostaphylos tomentosa ssp. insulicola
Information about  Arctostaphylos crustacea ssp. insulicola from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/17/2025).