Taxon Report
Atriplex pacifica A. Nels.south coast saltscale |
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Species Description:
Atriplex pacifica, commonly known as south coast saltscale, is a annual herb in the Chenopodiaceae that is found in California and elsewhere. It occurs within Coastal bluff scrub, Coastal dunes, Coastal scrub, and Playas, growing at elevations from 0 to 140 meters. Atriplex pacifica 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 pacifica A. Nels. |
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Common Name: |
south coast saltscale |
| Family: | Chenopodiaceae |
| Element Code: | PDCHE041C0 |
| USDA Plants Symbol: | ATPA |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-Oct | Mar-Oct |
| Elevation: | 0-140 (0-460) |
| General Habitats: | Coastal bluff scrub, Coastal dunes, Coastal scrub, Playas |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G4 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 109 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 2 |
| Fair (C) | 7 |
| Poor (D) | 2 |
| None (X) | 3 |
| Unknown (U) | 95 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Los Angeles (LAX), Orange (ORA), San Diego (SDG), Santa Barbara (SBA), Ventura (VEN)* | |
| Quads: Name (Quad Code) | |
| Anacapa Island (3311983), Beverly Hills (3411814), Dana Point (3311746), Del Mar (3211782), Dulzura (3211667), Encinitas (3311713), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772)*, Laguna Beach (3311757), Lompoc Hills (3412054), Morro Hill (3311733), National City (3211761), Newport Beach (3311768)*, Otay Mesa (3211658)(?), Point Conception (3412044), Point Loma (3211762), Rancho Santa Fe (3311712), Redondo Beach (3311874)*, San Clemente (3311745), San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873), San Luis Rey (3311723), San Nicolas Island (3311924), San Onofre Bluff (3311735), San Pedro (3311863), Santa Barbara Island (3311848), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845), Santa Cruz Island A (3311987), Santa Cruz Island B (3311986), Santa Cruz Island C (3311985), Santa Rosa Island South (3312071), Topanga (3411815), Torrance (3311873), Tustin (3311767)?, Ventura (3411933)* | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 19 | 17 % | |
| Development | 8 | 7% |
| Other | 3 | 2% |
| Road/trail construction/maint. | 3 | 2% |
| ORV activity | 2 | 1% |
| Recreational use (non-ORV) | 2 | 1% |
| Erosion/runoff | 2 | 1% |
| Foot traffic/trampling | 2 | 1% |
| Non-native plant impacts | 1 | 0% |
Notes
| Can grow as a perennial. Most Channel Islands contain only a few occurrences each. Need quads for SCM and SRO islands. See Proceedings of the Biological Society of Washington 17:99 (1904) for original description. |
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Threats: |
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Greatly reduced by urbanization on mainland. |
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Taxonomy: |
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Similar to A. serenana var. davidsonii. |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 17 January 2025].