Taxon Report
Bloomeria clevelandii S. WatsonSan Diego goldenstar |
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Taxon Summary
Bloomeria clevelandii, commonly known as San Diego goldenstar, is a perennial bulbiferous herb in the Themidaceae that is found in California and elsewhere. It occurs within Chaparral, Coastal scrub, Valley and foothill grassland, and Vernal pools, growing at elevations from 50 to 465 meters. Bloomeria clevelandii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Bloomeria clevelandii S. Watson |
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Common Name: |
San Diego goldenstar |
| Family: | Themidaceae |
| Element Code: | PMLIL1H010 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial bulbiferous herb |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 50-465 (165-1525) |
| General Habitats: | Chaparral, Coastal scrub, Valley and foothill grassland, Vernal pools |
| Microhabitat: | Clay |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G2G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_CRES; SB_UCBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 132 |
| Element Occurrence Ranks: | |
| Excellent (A) | 9 |
| Good (B) | 29 |
| Fair (C) | 5 |
| Poor (D) | 1 |
| None (X) | 15 |
| Unknown (U) | 73 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Alpine (3211677), Del Mar (3211782), Dulzura (3211667), El Cajon (3211678), Escondido (3311711), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), National City (3211761), Otay Mesa (3211658), Otay Mountain (3211657), Point Loma (3211762), Poway (3211781), Rancho Santa Fe (3311712), San Luis Rey (3311723), San Vicente Reservoir (3211688), Tecate (3211656), Viejas Mountain (3211676) | |
Threat List Data from the CNDDB
| Threat List Total: | 16 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 85 | 64 % | |
| Development | 38 | 28% |
| Non-native plant impacts | 33 | 25% |
| ORV activity | 30 | 22% |
| Other | 21 | 15% |
| Road/trail construction/maint. | 21 | 15% |
| Vandalism/dumping/litter | 20 | 15% |
| Wood cutting or brush clearing | 13 | 9% |
| Foot traffic/trampling | 11 | 8% |
| Recreational use (non-ORV) | 8 | 6% |
| Erosion/runoff | 7 | 5% |
| Military operations | 6 | 4% |
| Improper burning regime | 3 | 2% |
| Altered flood/tidal/hydrologic regime | 2 | 1% |
| Surface water diversion | 1 | 0% |
| Landfill | 1 | 0% |
| Feral pigs | 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].