Species Details
Opuntia basilaris var. treleasei
Bakersfield cactus
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Scientific Name: Opuntia basilaris Engelm. & Bigel. var. treleasei (Coult.) Toumey |
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Common Name: Bakersfield cactus |
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| Family: | Cactaceae | |
| Element Code: | PDCAC0D055 | |
| USDA Plants Symbol: | OPBAT | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1990-07-19) |
| State List: | CE (1990-01-01) |
| Global Rank: | G5T1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-06-08 |
| Lifeform: perennial stem | ||||||||||||||
Blooming Period: Apr-May
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Elevation:
100 - 1450 meters 330 - 4755 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Threatened by energy development, agricultural conversion, grazing, mining, vehicles, and especially urbanization in the Bakersfield area. USFWS uses the name O. treleasei. See Contributions from the U.S. National Herbarium 3:434 (1896) for original description, Wasmann Journal of Biology 25:289-290 (1967) for species account, and Madroño 39(1):79 (1992) for information on a new population. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 19 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 47 | 76 % |
| THREAT LIST: | ||
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| Grazing | 27 | 43% |
| Road/trail construction/maint. | 19 | 30% |
| Vandalism/dumping/litter | 12 | 19% |
| Foot traffic/trampling | 12 | 19% |
| ORV activity | 12 | 19% |
| Mining | 11 | 17% |
| Erosion/runoff | 11 | 17% |
| Development | 11 | 17% |
| Agriculture | 9 | 14% |
| Other | 8 | 12% |
| Recreational use (non-ORV) | 7 | 11% |
| Non-native plant impacts | 6 | 9% |
| Improper burning regime | 6 | 9% |
| Disking | 4 | 6% |
| Biocides | 3 | 4% |
| Waterway bank protection/maintenance | 3 | 4% |
| Pollution | 1 | 1% |
| Landfill | 1 | 1% |
| Altered flood/tidal/hydrologic regime | 1 | 1% |
| Total Occurrences: | 62 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 12 | 19 | 9 | 11 | 11 |
| Occurrence Status: | |||||
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| Historical >20 Years | 17 | ||||
| Recent <=20 Years | 45 | ||||
| Presence: | |||||
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| Presumed Extant | 51 | ||||
| Possibly Extirpated | 2 | ||||
| Presumed Extirpated | 9 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Kern (KRN) |
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Quads: Name (Quad Code) Arvin (3511827), Bena (3511836), Coal Oil Canyon (3511911), Conner SW (3511912), Eagle Rest Peak (3411982), Edison (3511837), Grapevine (3411888), Lamont (3511838)*, Mettler (3511818), Mt. Adelaide (3511846), North of Oildale (3511951), Oil Center (3511848), Oildale (3511941)*, Oiler Peak (3511835)*, Rio Bravo Ranch (3511847), Tejon Hills (3511817), Weed Patch (3511828), Woody (3511867) |
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Notes:
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Presumed Extant
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