Taxon Report
Camissoniopsis hardhamiae (P.H. Raven) W.L. Wagner & HochHardham's evening-primrose |
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Classification
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Scientific Name: |
Camissoniopsis hardhamiae (P.H. Raven) W.L. Wagner & Hoch |
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Common Name: |
Hardham's evening-primrose |
| Family: | Onagraceae |
| Element Code: | PDONA030N0 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-May | Mar-May |
| Elevation: | 140-945 (460-3100) |
| General Habitats: | Chaparral, Cismontane woodland |
| Microhabitat: | Burned areas (sometimes), Carbonate, Disturbed areas (sometimes), Sandy |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 22 |
| Element Occurrence Ranks: | |
| Excellent (A) | 6 |
| Good (B) | 5 |
| Fair (C) | 0 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 10 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Monterey (MNT), San Luis Obispo (SLO) | |
| Quads: Name (Quad Code) | |
| Bear Canyon (3612113), Bradley (3512077), Camatta Ranch (3512043), Cosio Knob (3612112), Hames Valley (3512088), Morro Bay South (3512037), Pebblestone Shut-in (3512161), San Miguel (3512076), Santa Margarita (3512045), Santa Margarita Lake (3512034), Slack Canyon (3612016), Valleton (3512086), Wilson Corner (3512044) | |
Threat List Data from the CNDDB
| Threat List Total: | 12 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 11 | 50 % | |
| Other | 8 | 36% |
| Road/trail construction/maint. | 6 | 27% |
| Grazing | 4 | 18% |
| Foot traffic/trampling | 3 | 13% |
| Military operations | 3 | 13% |
| Feral pigs | 2 | 9% |
| Biocides | 1 | 4% |
| Erosion/runoff | 1 | 4% |
| Mining | 1 | 4% |
| Non-native plant impacts | 1 | 4% |
| ORV activity | 1 | 4% |
| Improper burning regime | 1 | 4% |
Notes
| Threatened by proposed road construction in SLO Co; also threatened by grazing, mining, military activities, non-native plants, road maintenance, and vehicles. See Contributions from the U.S. National Herbarium 37(5):301 (1969) for original description. |
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Threats: |
| Threatened by proposed road construction in SLO Co; also threatened by grazing, mining, military activities, non-native plants, road maintenance, and vehicles. |
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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].