Taxon Report
Orcuttia californica VaseyCalifornia Orcutt grass |
|
Classification
|
Scientific Name: |
Orcuttia californica Vasey |
|
Common Name: |
California Orcutt grass |
| Family: | Poaceae |
| Element Code: | PMPOA4G010 |
| USDA Plants Symbol: | ORCA |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Aug | Apr-Aug |
| Elevation: | 15-660 (50-2165) |
| General Habitats: | Vernal pools |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1 |
|
State Rank: |
S1 |
| State List: | CE |
| Fed List: | FE |
| Other Status: | SB_CalBG/RSABG; SB_CRES |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 39 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 9 |
| Fair (C) | 6 |
| Poor (D) | 3 |
| None (X) | 7 |
| Unknown (U) | 14 |
| California Endemic: False | |
| 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) | |
Threat List Data from the CNDDB
| Threat List Total: | 13 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 25 | 64 % | |
| 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% |
Notes
|
Seriously threatened by agriculture, development, non-native plants, grazing, and vehicles. See Bulletin of the Torrey Botanical Club |
|
Threats: |
|
Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 December 2024].