Species Details

Brodiaea filifolia

thread-leaved brodiaea

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Photo of Brodiaea filifolia
© 2016 Keir Morse
Photo of Brodiaea filifolia
© 2016 Keir Morse
Scientific Name:
Brodiaea filifolia Wats.
Common Name:
thread-leaved brodiaea
Family: Themidaceae
Element Code: PMLIL0C050
USDA Plants Symbol: BRFI
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: FT (1998-10-13)
State List: CE (1982-01-01)
Global Rank: G2
State Rank:
S2
Other Status: SB_CalBG/RSABG; SB_CRES
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-08-25
Lifeform: perennial bulbiferous herb
Blooming Period: Mar-Jun
JFMAMJJASOND
Elevation:
25 - 1120 meters
80 - 3675 feet
General Habitats:
  • Chaparral (openings)
  • Cismontane woodland
  • Coastal scrub
  • Playas
  • Valley and foothill grassland
  • Vernal pools
Microhabitat Details:
Microhabitat:
  • Clay (often)
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.
Threats:
Taxonomy:
Threat List Total: 21
Total EOs % of EOs
EOs with Threat Listed: 72 51 %
THREAT LIST:
Development 37 26%
Non-native plant impacts 37 26%
Other 17 12%
Road/trail construction/maint. 12 8%
Vandalism/dumping/litter 11 7%
Total Occurrences: 141
Element Occurrence Ranks:
A B C D X U
8 21 22 15 12 63
Occurrence Status:
Historical >20 Years 43
Recent <=20 Years 98
Presence:
Presumed Extant 129
Possibly Extirpated 6
Presumed Extirpated 6
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
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)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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