Species Details
Thelypodium stenopetalum
slender-petaled thelypodium
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Scientific Name: Thelypodium stenopetalum Wats. |
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Common Name: slender-petaled thelypodium |
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| Family: | Brassicaceae | |
| Element Code: | PDBRA2N0F0 | |
| USDA Plants Symbol: | THST | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1984-08-31) |
| State List: | CE (1982-02-01) |
| Global Rank: | G1 |
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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: | 2021-05-26 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Sep
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Elevation:
1600 - 2500 meters 5250 - 8205 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Known from approximately ten occurrences. Seriously threatened by foot traffic, grazing, hydrological alterations, mining, vehicles, and urbanization. Protected in part at Baldwin Lake ER (DFG). See Proceedings of the American Academy of Arts and Sciences 22:468 (1887) for original description, Contributions from the Gray Herbarium 204:114-115 (1973) for taxonomic treatment, and Fremontia 13(1):22-23 (1985) for species account. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 14 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 11 | 100 % |
| THREAT LIST: | ||
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| Development | 9 | 81% |
| Altered flood/tidal/hydrologic regime | 8 | 72% |
| ORV activity | 6 | 54% |
| Grazing | 5 | 45% |
| Non-native plant impacts | 5 | 45% |
| Wood cutting or brush clearing | 5 | 45% |
| Foot traffic/trampling | 4 | 36% |
| Other | 3 | 27% |
| Recreational use (non-ORV) | 2 | 18% |
| Road/trail construction/maint. | 2 | 18% |
| Vandalism/dumping/litter | 1 | 9% |
| Erosion/runoff | 1 | 9% |
| Mining | 1 | 9% |
| Non-native animal impacts | 1 | 9% |
| Total Occurrences: | 11 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 4 | 1 | 1 | 4 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 6 | ||||
| Recent <=20 Years | 5 | ||||
| Presence: | |||||
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| Presumed Extant | 7 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 3 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) San Bernardino (SBD) |
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Quads: Name (Quad Code) Big Bear City (3411637), Big Bear Lake (3411628), Fawnskin (3411638), Moonridge (3411627) |
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Notes:
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Presumed Extant
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