Taxon Report
Arctostaphylos viridissima (Eastw.) McMinnwhite-haired manzanita |
 © Adam Searcy |
Taxon Summary
Arctostaphylos viridissima, commonly known as white-haired manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, and Closed-cone coniferous forest, growing at elevations from 100 to 500 meters. Arctostaphylos viridissima is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.Classification
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Scientific Name: |
Arctostaphylos viridissima (Eastw.) McMinn |
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Common Name: |
white-haired manzanita |
| Family: | Ericaceae |
| Element Code: | PDERI041L0 |
| USDA Plants Symbol: | ARVI7 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial evergreen shrub |
| Blooming Period: May-Mar | May-Mar |
| Elevation: | 100-500 (330-1640) |
| General Habitats: | Chaparral, Closed-cone coniferous forest |
| Microhabitat: | Rocky, Shale (usually) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.2 |
| Global Rank: | G4 |
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State Rank: |
S4 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_SBBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Santa Barbara (SBA) | |
| Quads: Name (Quad Code) | |
| Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santa Cruz Island D (3311984) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 29 October 2025].