Species Details
Oenothera avita ssp. eurekensis
Eureka Dunes evening-primrose
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© Rick York and CNPS |
© 2009 Duncan S Bell |
© Rick York and CNPS |
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Scientific Name: Oenothera avita (W.M. Klein) W.M. Klein ssp. eurekensis (Munz & J.C. Roos) W.M. Klein |
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Common Name: Eureka Dunes evening-primrose |
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| Family: | Onagraceae | |
| Element Code: | PDONA0C071 | |
| USDA Plants Symbol: | OECAE2 | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | FD (2018-03-29) |
| State List: | CR (1978-11-01) |
| Global Rank: | G4?T2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-03-06 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Apr-Jun(Jul)
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Elevation:
850 - 1200 meters 2790 - 3935 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Federally listed as Endangered on 1978-05-27; Delisted due to Recovery on 2018-03-29. Known only from dunes in Eureka Valley, within Death Valley NP. Habitat previously degraded by vehicle traffic; populations recovering well, but still threatened by vehicle trespass, foot traffic, recreation, and non-native Russian thistle. Recovery plan has been completed by BLM. See Aliso 3(2):118 (1955) for original description, and Biological Conservation 46:217-242 (1988) for population biology. |
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Threats: Threatened by vehicle trespass, foot traffic, recreation, and non-native plants. |
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Taxonomy: |
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 2 | 67 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 2 | 66% |
| ORV activity | 1 | 33% |
| Total Occurrences: | 3 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 3 | 0 | 0 | 0 | 0 |
| Occurrence Status: | |||||
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| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 3 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Inyo (INY) |
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Quads: Name (Quad Code) East of Joshua Flats (3711727), East of Waucoba Spring (3711717), Last Chance Range SW (3711716) |
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Notes:
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Presumed Extant
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