Taxon Details
Atriplex coronata var. vallicola
Lost Hills crownscale
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Taxon Summary:
Atriplex coronata var. vallicola, commonly known as Lost Hills crownscale, is a annual herb in the Chenopodiaceae that is found only in California. It occurs within Chenopod scrub, Valley and foothill grassland, and Vernal pools, growing at elevations from 50 to 635 meters. Atriplex coronata var. vallicola is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Atriplex coronata S. Watson var. vallicola (Hoover) S.L. Welsh |
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Common Name: Lost Hills crownscale |
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| Family: | Chenopodiaceae | |
| Element Code: | PDCHE04371 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4T3 |
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State Rank: |
S3 |
| Other Status: | BLM_S |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-08-06 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Sep
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Elevation:
50 - 635 meters 165 - 2085 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: See Leaflets of Western Botany 2(8):130-131 (1938) for original description. |
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Threats: Threatened by grazing, vehicles, agricultural conversion, hydrological alterations, and energy development. |
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Taxonomy: The following newly described rare plants were previously attributed to A. coronata var. vallicola: A. flavida from Carrizo Plain, SLO Co. and A. gypsophila from the interior South Coast Ranges in western FRE Co. |
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| Threat List Total: | 11 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 35 | 46 % |
| THREAT LIST: | ||
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| Other | 16 | 21% |
| Grazing | 12 | 15% |
| Road/trail construction/maint. | 10 | 13% |
| Mining | 9 | 11% |
| Agriculture | 6 | 7% |
| Development | 5 | 6% |
| ORV activity | 3 | 3% |
| Erosion/runoff | 1 | 1% |
| Non-native plant impacts | 1 | 1% |
| Waterway bank protection/maintenance | 1 | 1% |
| Recreational use (non-ORV) | 1 | 1% |
| Total Occurrences: | 76 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 8 | 22 | 7 | 4 | 0 | 35 |
| Occurrence Status: | |||||
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| Historical >20 Years | 33 | ||||
| Recent <=20 Years | 43 | ||||
| Presence: | |||||
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| Presumed Extant | 76 | ||||
| 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) Fresno (FRE), Kern (KRN), Kings (KNG), Merced (MER), Monterey (MNT), San Benito (SBT), San Luis Obispo (SLO), Tulare (TUL) |
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Quads: Name (Quad Code) Avenal Gap (3511978), Cholame (3512063), Cholame Valley (3512073), Chounet Ranch (3612066), Ciervo Mtn. (3612045), Coit Ranch (3612064), Conner (3511921), East Elk Hills (3511934), Firebaugh (3612074), Jamesan (3612062), Joaquin Rocks (3612034), Laguna Seca Ranch (3612077), Levis (3612054), Lillis Ranch (3612044), Lokern (3511945), Lone Tree Well (3511976), Los Viejos (3511988), Lost Hills (3511956), Lost Hills NE (3511965), Lost Hills NW (3511966), Mendota Dam (3612073), Mercey Hot Springs (3612067), Monocline Ridge (3612055), Ortigalita Peak NW (3612088), Pastoria Creek (3411887), Reward (3511936), Sausalito School (3511982), Semitropic (3511955), Taft (3511924), Tranquillity (3612063), Tumey Hills (3612056), Tupman (3511933), Wasco NW (3511964), West Camp (3511977), West Elk Hills (3511935) |
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Notes:
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Presumed Extant
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