Species Details
Orcuttia californica
California Orcutt grass
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Species Description:
Orcuttia californica, commonly known as California Orcutt grass, is a annual herb in the Poaceae that is found in California and elsewhere. It occurs within Vernal pools, growing at elevations from 15 to 660 meters. Orcuttia californica is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
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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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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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 | 22 | ||||
| Recent <=20 Years | 17 | ||||
| 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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