Species Details

Atriplex pacifica

south coast saltscale

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Scientific Name:
Atriplex pacifica A. Nels.
Common Name:
south coast saltscale
Family: Chenopodiaceae
Element Code: PDCHE041C0
USDA Plants Symbol: ATPA
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Mar-Oct
0 - 140 meters
0 - 460 feet
General Habitats:
  • Coastal bluff scrub
  • Coastal dunes
  • Coastal scrub
  • Playas
Microhabitat Details:
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.

Greatly reduced by urbanization on mainland.


Similar to A. serenana var. davidsonii.

Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 19 17 %
Development 8 7%
Other 3 2%
Road/trail construction/maint. 3 2%
ORV activity 2 1%
Recreational use (non-ORV) 2 1%
Total Occurrences: 109
Element Occurrence Ranks:
0 2 7 2 3 95
Occurrence Status:
Historical >20 Years 58
Recent <=20 Years 51
Presumed Extant 106
Possibly Extirpated 2
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Sonora, Mexico (SO)
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)*
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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