Species Details

Aphanisma blitoides


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Photo of Aphanisma blitoides
© 2010 Larry Sward
Photo of Aphanisma blitoides
© 2015 Keir Morse
Photo of Aphanisma blitoides
© 2015 Keir Morse
Lifeform: annual herb
Blooming Period: Feb-Jun
1 - 305 meters
5 - 1000 feet
General Habitats:
  • Coastal bluff scrub
  • Coastal dunes
  • Coastal scrub
Microhabitat Details:
  • Gravelly (sometimes)
  • Sandy (sometimes)
In steep decline on mainland, and also declining on islands. May occur on ANA Island. Threatened by urbanization, recreational development, foot traffic, and non-native plants. Threatened by feral herbivores on SCT, SCZ, and SRO Islands.
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 17 21 %
Non-native plant impacts 9 10%
Other 8 9%
Foot traffic/trampling 6 7%
Road/trail construction/maint. 5 6%
Development 3 3%
Total Occurrences: 82
Element Occurrence Ranks:
1 5 6 0 1 69
Occurrence Status:
Historical >20 Years 39
Recent <=20 Years 43
Presumed Extant 81
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA), Isla Guadalupe, Baja (GU)
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), Casmalia (3412075), Dana Point (3311746), Del Mar (3211782), Imperial Beach (3211751), La Jolla (3211772)?, Laguna Beach (3311757), National City (3211761), Newport Beach (3311768), Oceanside (3311724), Point Loma (3211762), Point Sal (3412086), Redondo Beach (3311874)*, 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 D (3311984), Santa Rosa Island North (3312081), Santa Rosa Island South (3312071), Santa Rosa Island West (3312082), Torrance (3311873), 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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