Taxon Report
Camissonia sierrae Raven ssp. alticola RavenMono Hot Springs evening-primrose |
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Classification
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Scientific Name: |
Camissonia sierrae Raven ssp. alticola Raven |
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Common Name: |
Mono Hot Springs evening-primrose |
| Family: | Onagraceae |
| Element Code: | PDONA031H1 |
| USDA Plants Symbol: | CASIA |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: May-Aug | May-Aug |
| Elevation: | 1035-2410 (3395-7905) |
| General Habitats: | Lower montane coniferous forest, Upper montane coniferous forest |
| Microhabitat: | Granitic, Gravelly |
| Microhabitat Details: | sand pans |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3T2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 21 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 8 |
| Fair (C) | 2 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 7 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Fresno (FRE), Madera (MAD), Mariposa (MPA)?, Tuolumne (TUO) | |
| Quads: Name (Quad Code) | |
| Falls Ridge (3711984), Florence Lake (3711838), Graveyard Peak (3711848), Half Dome (3711965), Little Shuteye Peak (3711944), Mammoth Pool Dam (3711933), Merced Peak (3711964)?, Mt. Givens (3711931), Squaw Dome (3711943), Ward Mountain (3711828) | |
Threat List Data from the CNDDB
| Threat List Total: | 9 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 11 | 52 % | |
| Road/trail construction/maint. | 8 | 38% |
| Foot traffic/trampling | 4 | 19% |
| Logging | 3 | 14% |
| Recreational use (non-ORV) | 3 | 14% |
| ORV activity | 2 | 9% |
| Other | 1 | 4% |
| Non-native plant impacts | 1 | 4% |
| Development | 1 | 4% |
| Erosion/runoff | 1 | 4% |
Notes
| Known from fewer than 20 occurrences. Threatened by foot traffic, non-native plants, and vehicles. Possibly threatened by vegetation clearing. MPA Co. record (436B) needs verification. See Contributions from the U.S. National Herbarium 37(5):329 (1969) for original description. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].