Taxon Report
Clarkia mosquinii E. SmallMosquin's clarkia |
 © 2002 Dean Wm Taylor |
Taxon Summary
Clarkia mosquinii, commonly known as Mosquin's clarkia, is a annual herb in the Onagraceae that is found only in California. It occurs within Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 185 to 1490 meters. Clarkia mosquinii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Clarkia mosquinii E. Small |
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Common Name: |
Mosquin's clarkia |
| Family: | Onagraceae |
| Element Code: | PDONA050S0 |
| USDA Plants Symbol: | CLMO3 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: May-Jul(Sep) | May-Jul(Sep) |
| Elevation: | 185-1490 (605-4890) |
| General Habitats: | Cismontane woodland, Lower montane coniferous forest |
| Microhabitat: | Roadsides, Rocky |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 78 |
| Element Occurrence Ranks: | |
| Excellent (A) | 7 |
| Good (B) | 42 |
| Fair (C) | 12 |
| Poor (D) | 4 |
| None (X) | 1 |
| Unknown (U) | 12 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Butte (BUT), Plumas (PLU), Yuba (YUB) | |
| Quads: Name (Quad Code) | |
| Berry Creek (3912164), Brush Creek (3912163), Cascade (3912162), Challenge (3912142), Cherokee (3912165), Clipper Mills (3912152), Forbestown (3912153), Oroville Dam (3912154), Pulga (3912174), Soapstone Hill (3912173), Stirling City (3912185), Strawberry Valley (3912151) | |
Threat List Data from the CNDDB
| Threat List Total: | 13 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 65 | 83 % | |
| Road/trail construction/maint. | 41 | 52% |
| Logging | 32 | 41% |
| Other | 28 | 35% |
| ORV activity | 6 | 7% |
| Foot traffic/trampling | 6 | 7% |
| Grazing | 3 | 3% |
| Improper burning regime | 3 | 3% |
| Dam/Inundation | 3 | 3% |
| Erosion/runoff | 3 | 3% |
| Non-native plant impacts | 3 | 3% |
| Biocides | 1 | 1% |
| Recreational use (non-ORV) | 1 | 1% |
| Wood cutting or brush clearing | 1 | 1% |
Notes
| Rediscovered in 1991 by L. Janeway. Threatened by vehicles. Potentially threatened by road maintenance, overshading, and non-native plants. See Canadian Journal of Botany 49:1211-1217 (1971) for original description, Madroño 40(4):268-269 (1993) for information on rediscovery, and Madroño 42(1):79-82 (1995) for taxonomic discussion. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 January 2025].