Species Details
Orcuttia californica
California Orcutt grass
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Scientific Name: Orcuttia californica Vasey |
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Common Name: California Orcutt grass |
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| Family: | Poaceae | |
| Element Code: | PMPOA4G010 | |
| USDA Plants Symbol: | ORCA | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1993-08-03) |
| State List: | CE (1979-09-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Aug
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Elevation:
15 - 660 meters 50 - 2165 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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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 Madroño 45(4):328 (1998) for distribution information. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 13 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 25 | 64 % |
| THREAT LIST: | ||
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| Development | 15 | 38% |
| Non-native plant impacts | 9 | 23% |
| Foot traffic/trampling | 7 | 17% |
| Other | 7 | 17% |
| Grazing | 6 | 15% |
| ORV activity | 6 | 15% |
| Agriculture | 6 | 15% |
| Disking | 4 | 10% |
| Altered flood/tidal/hydrologic regime | 2 | 5% |
| Improper burning regime | 2 | 5% |
| Road/trail construction/maint. | 2 | 5% |
| Recreational use (non-ORV) | 1 | 2% |
| Dam/Inundation | 1 | 2% |
| Total Occurrences: | 39 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 9 | 6 | 3 | 7 | 14 |
| Occurrence Status: | |||||
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| Historical >20 Years | 21 | ||||
| Recent <=20 Years | 18 | ||||
| Presence: | |||||
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| Presumed Extant | 32 | ||||
| Possibly Extirpated | 3 | ||||
| Presumed Extirpated | 4 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Baja California (BA), California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Diego (SDG), Ventura (VEN) |
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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) |
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Notes:
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Presumed Extant
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