Taxon Report
Arctostaphylos refugioensis GankinRefugio manzanita |
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Taxon Summary
Arctostaphylos refugioensis, commonly known as Refugio manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, growing at elevations from 274 to 820 meters. Arctostaphylos refugioensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Arctostaphylos refugioensis Gankin |
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Common Name: |
Refugio manzanita |
| Family: | Ericaceae |
| Element Code: | PDERI041B0 |
| USDA Plants Symbol: | ARRE5 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial evergreen shrub |
| Blooming Period: (May)Dec-Mar | (May)Dec-Mar |
| Elevation: | 274-820 (900-2690) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_SBBG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 27 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 2 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 24 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Santa Barbara (SBA) | |
| Quads: Name (Quad Code) | |
| Gaviota (3412042), Goleta (3411947), Lake Cachuma (3411958), Lompoc (3412064), Lompoc Hills (3412054), Point Conception (3412044), Sacate (3412043), Santa Rosa Hills (3412053), Santa Ynez (3412051), Sisquoc (3412073), Solvang (3412052) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 11 % | |
| Road/trail construction/maint. | 2 | 7% |
| Wood cutting or brush clearing | 2 | 7% |
| Development | 1 | 3% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 February 2025].