Taxon Report
Comarostaphylis diversifolia (Parry) Greene ssp. diversifoliasummer holly |
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Taxon Summary
Comarostaphylis diversifolia ssp. diversifolia, commonly known as summer holly, is a perennial evergreen shrub in the Ericaceae that is found in California and elsewhere. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 30 to 790 meters. Comarostaphylis diversifolia ssp. diversifolia is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Comarostaphylis diversifolia (Parry) Greene ssp. diversifolia |
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Common Name: |
summer holly |
| Family: | Ericaceae |
| Element Code: | PDERI0B011 |
| USDA Plants Symbol: | CODID2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial evergreen shrub |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 30-790 (100-2590) |
| General Habitats: | Chaparral, Cismontane woodland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3T2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 117 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 14 |
| Fair (C) | 7 |
| Poor (D) | 5 |
| None (X) | 5 |
| Unknown (U) | 82 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Orange (ORA), San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Dana Point (3311746), Del Mar (3211782), Dulzura (3211667), Encinitas (3311713), Escondido (3311711), Fallbrook (3311743), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), Laguna Beach (3311757), Margarita Peak (3311744), Otay Mesa (3211658), Otay Mountain (3211657), Poway (3211781), Rancho Santa Fe (3311712), Rodriquez Mtn. (3311628), San Juan Capistrano (3311756), San Luis Rey (3311723), San Marcos (3311722), San Vicente Reservoir (3211688), Santiago Peak (3311765), Sitton Peak (3311754), Valley Center (3311721) | |
Threat List Data from the CNDDB
| Threat List Total: | 12 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 50 | 43 % | |
| Development | 41 | 35% |
| Road/trail construction/maint. | 9 | 7% |
| Wood cutting or brush clearing | 7 | 5% |
| Other | 5 | 4% |
| Foot traffic/trampling | 3 | 2% |
| Improper burning regime | 3 | 2% |
| Non-native plant impacts | 3 | 2% |
| Vandalism/dumping/litter | 3 | 2% |
| Mining | 2 | 1% |
| Recreational use (non-ORV) | 1 | 0% |
| Agriculture | 1 | 0% |
| Altered flood/tidal/hydrologic regime | 1 | 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 5 February 2025].