Taxon Report
Pinus torreyana Carr. ssp. insularis HallerSanta Rosa Island Torrey pine |
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Taxon Summary
Pinus torreyana ssp. insularis, commonly known as Santa Rosa Island Torrey pine, is a perennial evergreen tree in the Pinaceae that is found only in California. It occurs within Closed-cone coniferous forest, growing at elevations from 75 to 150 meters. Pinus torreyana ssp. insularis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Pinus torreyana Carr. ssp. insularis Haller |
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Common Name: |
Santa Rosa Island Torrey pine |
| Family: | Pinaceae |
| Element Code: | PGPIN04151 |
| USDA Plants Symbol: | PITOI |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial evergreen tree |
| Blooming Period: | |
| Elevation: | 75-150 (245-490) |
| General Habitats: | Closed-cone coniferous forest |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G1T1 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | IUCN_VU; SB_CalBG/RSABG; SB_USDA |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 2 |
| Element Occurrence Ranks: | |
| Excellent (A) | 2 |
| 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 Rosa Island East (3311988) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | % | |
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Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 November 2025].