Taxon Report
Bloomeria humilis Hoov.dwarf goldenstar |
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Taxon Summary
Bloomeria humilis, commonly known as dwarf goldenstar, is a perennial bulbiferous herb in the Themidaceae that is found only in California. It occurs within Chaparral, Coastal bluff scrub, and Valley and foothill grassland, growing at elevations from 10 to 120 meters. Bloomeria humilis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Bloomeria humilis Hoov. |
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Common Name: |
dwarf goldenstar |
| Family: | Themidaceae |
| Element Code: | PMLIL0B020 |
| USDA Plants Symbol: | BLHU |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial bulbiferous herb |
| Blooming Period: Jun | Jun |
| Elevation: | 10-120 (35-395) |
| General Habitats: | Chaparral, Coastal bluff scrub, Valley and foothill grassland |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| State List: | CR |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG; SB_SBBG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 6 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 2 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| San Luis Obispo (SLO) | |
| Quads: Name (Quad Code) | |
| Piedras Blancas (3512163), San Simeon (3512162) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 2 | 33 % | |
| Development | 1 | 16% |
| Foot traffic/trampling | 1 | 16% |
| Non-native plant impacts | 1 | 16% |
| Road/trail construction/maint. | 1 | 16% |
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 March 2025].