Species Details

Orcuttia californica

California Orcutt grass

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Notes:
Seriously threatened by agriculture, development, non-native plants, grazing, and vehicles. See Bulletin of the Torrey Botanical Club 13:219 (1886) for original description,American Journal of Botany 69:1082-1095 (1982) for taxonomic treatment and MadroƱo 45(4):328 (1998) for distribution information.
Threats:
Taxonomy:
Threat List Total: 13
Total EOs % of EOs
EOs with Threat Listed: 25 64 %
THREAT LIST:
Development 15 38%
Non-native plant impacts 9 23%
Foot traffic/trampling 7 17%
Other 7 17%
Grazing 6 15%
Total Occurrences: 39
Element Occurrence Ranks:
A B C D X U
0 9 6 3 7 14
Occurrence Status:
Historical >20 Years 21
Recent <=20 Years 18
Presence:
Presumed Extant 32
Possibly Extirpated 3
Presumed Extirpated 4
California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Diego (SDG), Ventura (VEN)
Quads: Name (Quad Code)
Bachelor Mtn. (3311751), Del Mar (3211782), Encinitas (3311713), Hot Springs Mtn. (3311635), Imperial Beach (3211751), Inglewood (3311883)*, Jamul Mountains (3211668), La Jolla (3211772), Lake Elsinore (3311763), Long Beach (3311872), Los Alamitos (3311871)*, Mint Canyon (3411844), Murrieta (3311752)*, Newhall (3411845), Newport Beach (3311768), Oat Mountain (3411835), Otay Mesa (3211658), Romoland (3311762), San Fernando (3411834), Santa Susana (3411836), Simi (3411837), South Gate (3311882)*, Thousand Oaks (3411827), Val Verde (3411846), Warner Springs (3311636), Whittier (3311881), Wildomar (3311753), Winchester (3311761)
Notes:
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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