Taxon Details
Oenothera avita ssp. eurekensis
Eureka Dunes evening-primrose
View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist
© Rick York and CNPS |
© 2009 Duncan S Bell |
© Rick York and CNPS |
Taxon Summary:
Oenothera avita ssp. eurekensis, commonly known as Eureka Dunes evening-primrose, is a perennial rhizomatous herb in the Onagraceae that is found only in California. It occurs within Desert dunes, growing at elevations from 850 to 1200 meters. Oenothera avita ssp. eurekensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Oenothera avita (W.M. Klein) W.M. Klein ssp. eurekensis (Munz & J.C. Roos) W.M. Klein |
||
|
Common Name: Eureka Dunes evening-primrose |
||
| Family: | Onagraceae | |
| Element Code: | PDONA0C071 | |
| USDA Plants Symbol: | OECAE2 | |
|
Synonyms/Other Names: |
||
| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
|
| CA Rare Plant Rank: | 1B.2 |
| Fed List: | FD (2018-03-29) |
| State List: | CR (1978-11-01) |
| Global Rank: | G4?T2 |
|
State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG |
|
CRPR Changes: |
|
| Add Date: | 1974-01-01 |
| Date Edited: | 2024-03-06 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Apr-Jun(Jul)
|
||||||||||||||
|
Elevation:
850 - 1200 meters 2790 - 3935 feet |
||||||||||||||
General Habitats:
|
||||||||||||||
| Microhabitat Details: | ||||||||||||||
|
Microhabitat:
|
||||||||||||||
|
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. |
|
|
Threats: Threatened by vehicle trespass, foot traffic, recreation, and non-native plants. |
|
|
Taxonomy: |
|
| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 2 | 67 % |
| THREAT LIST: | ||
|---|---|---|
| Non-native plant impacts | 2 | 66% |
| ORV activity | 1 | 33% |
| Total Occurrences: | 3 | ||||
| Element Occurrence Ranks: | |||||
|---|---|---|---|---|---|
| A | B | C | D | X | U |
| 0 | 3 | 0 | 0 | 0 | 0 |
| Occurrence Status: | |||||
|---|---|---|---|---|---|
| Historical >20 Years | 0 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
|---|---|---|---|---|---|
| Presumed Extant | 3 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
|
States: Name (Code) California (CA) |
|||||||||||||
|
California Counties and Islands: Name (Code) Inyo (INY) |
|||||||||||||
|
Quads: Name (Quad Code) East of Joshua Flats (3711727), East of Waucoba Spring (3711717), Last Chance Range SW (3711716) |
|||||||||||||
Notes:
|
|||||||||||||
Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel