Taxon Report
Claytonia umbellata Wats.Great Basin claytonia |
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Taxon Summary
Claytonia umbellata, commonly known as Great Basin claytonia, is a perennial herb in the Montiaceae that is found in California and elsewhere. It occurs within Subalpine coniferous forest, growing at elevations from 1705 to 3500 meters. Claytonia umbellata is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Claytonia umbellata Wats. |
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Common Name: |
Great Basin claytonia |
| Family: | Montiaceae |
| Element Code: | PDPOR030P0 |
| USDA Plants Symbol: | CLUM |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Aug | May-Aug |
| Elevation: | 1705-3500 (5595-11485) |
| General Habitats: | Subalpine coniferous forest |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.1 |
| Global Rank: | G4 |
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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: | 5 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 4 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Alpine (ALP), Lassen (LAS)*, Mono (MNO) | |
| Quads: Name (Quad Code) | |
| Heenan Lake (3811966), Milford (4012023)*, Mt. Patterson (3811943), Stony Ridge (4012024) | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 20 % | |
| ORV activity | 1 | 20% |
| Road/trail construction/maint. | 1 | 20% |
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 February 2025].