Taxon Report
Atriplex serenana A. Nels. var. davidsonii (Standl.) MunzDavidson's saltscale |
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Taxon Summary
Atriplex serenana var. davidsonii, commonly known as Davidson's saltscale, is a annual herb in the Chenopodiaceae that is found in California and elsewhere. It occurs within Coastal bluff scrub, and Coastal scrub, growing at elevations from 10 to 200 meters. Atriplex serenana var. davidsonii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Atriplex serenana A. Nels. var. davidsonii (Standl.) Munz |
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Common Name: |
Davidson's saltscale |
| Family: | Chenopodiaceae |
| Element Code: | PDCHE041T1 |
| USDA Plants Symbol: | ATSED |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Oct | Apr-Oct |
| Elevation: | 10-200 (35-655) |
| General Habitats: | Coastal bluff scrub, Coastal scrub |
| Microhabitat: | Alkaline |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G5T1 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 26 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 2 |
| Fair (C) | 1 |
| Poor (D) | 1 |
| None (X) | 4 |
| Unknown (U) | 18 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Los Angeles (LAX)(?), Orange (ORA), Riverside (RIV), Santa Barbara (SBA)*, Ventura (VEN) | |
| Quads: Name (Quad Code) | |
| El Casco (3311781), Gaviota (3412042), Goleta (3411947), Hollywood (3411813)*, Laguna Beach (3311757), Lakeview (3311771), Los Angeles (3411812), Malibu Beach (3411816), Newport Beach (3311768), Oxnard (3411922), Perris (3311772), San Pedro (3311863)(?), Santa Barbara (3411946)*, Santa Catalina East (3311833), Santa Rosa Island South (3312071), Seal Beach (3311861), Torrance (3311873), Tustin (3311767), Winchester (3311761), Zaca Creek (3412062) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 8 | 31 % | |
| Development | 7 | 26% |
| Disking | 2 | 7% |
| Grazing | 2 | 7% |
| Landfill | 1 | 3% |
| Non-native plant impacts | 1 | 3% |
| ORV activity | 1 | 3% |
| Waterway bank protection/maintenance | 1 | 3% |
| Altered flood/tidal/hydrologic regime | 1 | 3% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 November 2025].