Brodiaea filifolia NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.
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Brodiaea filifolia, known by the common name threadleaf brodiaea, is a rare species of flowering plant in the cluster-lily genus . It is endemic to southern California, mostly in the region around the junction of Orange, Riverside, and San Diego Counties.
The bulb is a resident of scattered remaining vernal pool and grassland habitats. It is a federally listed threatened species and it is listed as an endangered species on the state level.
FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.This plant occurs in grassland areas, often in floodplains, and it is a member of the local vernal pool flora. It requires heavy clay soils. This type of habitat is becoming very rare as it is being cleared for development, especially as residential areas expand. Undeveloped land near residential areas is degraded by exotic vegetation, mowing and other fire suppression efforts, sewage dumping, grazing of livestock, off-road vehicle use, and other processes.
Status | Date Listed | Lead Region | Where Listed |
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Threatened | 10/13/1998 | California/Nevada Region (Region 8) | Wherever found |
05/21/2010 | 75 FR 28636 28642 | Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-Year Reviews in California and Nevada |
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03/22/2006 | 71 FR 14538 14542 | Initiation of 5-Year Reviews of 56 Species in California and Nevada: Notice of review. |
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05/21/2010 | 75 FR 28636 28642 | Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-Year Reviews in California and Nevada |
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03/22/2006 | 71 FR 14538 14542 | Initiation of 5-Year Reviews of 56 Species in California and Nevada: Notice of review. |
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08/13/2009 | Brodiaea filifolia (thread-leaved brodiaea) 5-Year Review |
02/08/2011 | 76 FR 6848 6925 | Endangered and Threatened Wildlife and Plants; Final Revised Critical Habitat for Brodiaea filifolia (Thread-Leaved Brodiaea) | Final Rule | Final designated |
12/08/2009 | 74 FR 64930 64982 | Proposed Revised Critical Habitat for Brodiaea filifolia (thread-leaved brodiaea) | Proposed Rule | Not Required |
12/13/2005 | 70 FR 73820 73863 | Designation of Critical Habitat for Brodiaea filifolia (thread-leaved brodiaea); Final Rule | Final Rule | Not Required |
12/08/2004 | 69 FR 71284 71319 | Proposed Designation of Critical Habitat for Brodiaea filifolia (thread-leaved brodiaea) Thread-leaved brodiaea (Brodiaea filifolia) | Proposed Rule | Not Required |