Taxon Report
Arctostaphylos silvicola Jeps. & Wies.Bonny Doon manzanita |
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Classification
|
Scientific Name: |
Arctostaphylos silvicola Jeps. & Wies. |
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Common Name: |
Bonny Doon manzanita |
| Family: | Ericaceae |
| Element Code: | PDERI041F0 |
| USDA Plants Symbol: | ARSI |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial evergreen shrub |
| Blooming Period: Jan-Mar | Jan-Mar |
| Elevation: | 120-600 (395-1970) |
| General Habitats: | Chaparral, Closed-cone coniferous forest, Lower montane coniferous forest |
| Microhabitat: | |
| Microhabitat Details: | inland marine sands |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G1 |
|
State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 16 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 1 |
| Fair (C) | 1 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 12 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Santa Cruz (SCR) | |
| Quads: Name (Quad Code) | |
| Big Basin (3712222), Castle Rock Ridge (3712221), Davenport (3712212), Felton (3712211), Laurel (3712118) | |
Threat List Data from the CNDDB
| Threat List Total: | 10 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 9 | 56 % | |
| Development | 5 | 31% |
| Mining | 4 | 25% |
| Improper burning regime | 2 | 12% |
| ORV activity | 2 | 12% |
| Other | 2 | 12% |
| Recreational use (non-ORV) | 1 | 6% |
| Road/trail construction/maint. | 1 | 6% |
| Logging | 1 | 6% |
| Erosion/runoff | 1 | 6% |
| Non-native plant impacts | 1 | 6% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 January 2025].