Taxon Report
Claytonia crawfordii T. R. StoughtonCrawford's spring beauty |
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Taxon Summary
Claytonia crawfordii, commonly known as Crawford's spring beauty, is a perennial herb in the Montiaceae that is found only in California. It occurs within Upper montane coniferous forest, growing at elevations from 1540 to 1920 meters. Claytonia crawfordii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Claytonia crawfordii T. R. Stoughton |
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Common Name: |
Crawford's spring beauty |
| Family: | Montiaceae |
| Element Code: | PDPOR03160 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 1540-1920 (5055-6300) |
| General Habitats: | Upper montane coniferous forest |
| Microhabitat: | Openings, Rocky, Volcanic |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| 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: | 7 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 2 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 4 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Tuolumne (TUO) | |
| Quads: Name (Quad Code) | |
| Boards Crossing (3812032), Crandall Peak (3812022), Liberty Hill (3812031), Strawberry (3812021) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 43 % | |
| Logging | 3 | 42% |
Selected References
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Proposed Addition to California Rare Plant Rank 1B.2, G1 / S1 |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 6 November 2025].