Taxon Report
Draba sierrae C.W. Sharsm.Sierra draba |
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Taxon Summary
Draba sierrae, commonly known as Sierra draba, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Alpine boulder and rock field (carbonate, and granitic), growing at elevations from 3500 to 4265 meters. Draba sierrae is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Draba sierrae C.W. Sharsm. |
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Common Name: |
Sierra draba |
| Family: | Brassicaceae |
| Element Code: | PDBRA112A0 |
| USDA Plants Symbol: | DRSI |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jun-Aug | Jun-Aug |
| Elevation: | 3500-4265 (11485-13995) |
| General Habitats: | Alpine boulder and rock field |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 13 |
| Element Occurrence Ranks: | |
| Excellent (A) | 3 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 10 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Fresno (FRE), Inyo (INY) | |
| Quads: Name (Quad Code) | |
| Mount Tom (3711836), Mt. Abbot (3711847), Mt. Hilgard (3711837), Mt. Morgan (3711846), Mt. Thompson (3711825), North Palisade (3711815) | |
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].