Species Details
Brodiaea filifolia
thread-leaved brodiaea
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© 2016 Keir Morse |
© 2016 Keir Morse |
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Scientific Name: Brodiaea filifolia Wats. |
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Common Name: thread-leaved brodiaea |
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| Family: | Themidaceae | |
| Element Code: | PMLIL0C050 | |
| USDA Plants Symbol: | BRFI | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FT (1998-10-13) |
| State List: | CE (1982-01-01) |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-08-25 |
| Lifeform: perennial bulbiferous herb | ||||||||||||||
Blooming Period: Mar-Jun
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Elevation:
25 - 1120 meters 80 - 3675 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Seriously threatened by residential development, agriculture, foot traffic, grazing, illegal dumping, non-native plants, and vehicles. Potentially threatened by road construction and fuel break maintenance. Hybridization with B. orcuttii and B. terrestris ssp. kernensis facilitated by European honeybees. See Proceedings of the American Academy of Arts and Sciences 17:381 (1882) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 21 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 72 | 51 % |
| THREAT LIST: | ||
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| Development | 37 | 26% |
| Non-native plant impacts | 37 | 26% |
| Other | 17 | 12% |
| Road/trail construction/maint. | 12 | 8% |
| Vandalism/dumping/litter | 11 | 7% |
| Disking | 10 | 7% |
| Foot traffic/trampling | 7 | 4% |
| ORV activity | 7 | 4% |
| Recreational use (non-ORV) | 5 | 3% |
| Erosion/runoff | 5 | 3% |
| Agriculture | 4 | 2% |
| Grazing | 3 | 2% |
| Improper burning regime | 2 | 1% |
| Landfill | 2 | 1% |
| Military operations | 2 | 1% |
| Altered flood/tidal/hydrologic regime | 2 | 1% |
| Surface water diversion | 2 | 1% |
| Wood cutting or brush clearing | 2 | 1% |
| Waterway bank protection/maintenance | 1 | 0% |
| Dam/Inundation | 1 | 0% |
| Hybridization | 1 | 0% |
| Total Occurrences: | 141 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 8 | 21 | 22 | 15 | 12 | 63 |
| Occurrence Status: | |||||
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| Historical >20 Years | 42 | ||||
| Recent <=20 Years | 99 | ||||
| Presence: | |||||
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| Presumed Extant | 129 | ||||
| Possibly Extirpated | 6 | ||||
| Presumed Extirpated | 6 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Bernardino (SBD), San Diego (SDG) |
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Quads: Name (Quad Code) Canada Gobernadora (3311755), El Toro (3311766), Encinitas (3311713), Escondido (3311711), Fallbrook (3311743), Glendora (3411727), Lake Elsinore (3311763), Lakeview (3311771), Las Pulgas Canyon (3311734), Margarita Peak (3311744), Morro Hill (3311733), Pala (3311731), Perris (3311772), Poway (3211781), Rancho Santa Fe (3311712), Romoland (3311762), San Bernardino North (3411723), San Clemente (3311745), San Juan Capistrano (3311756), San Luis Rey (3311723), San Marcos (3311722), San Pasqual (3311618), Sitton Peak (3311754), Wildomar (3311753), Winchester (3311761) |
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Notes:
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Presumed Extant
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