Eriogonum callistum Common Name: Tehachapi buckwheat Family: Polygonaceae Synonyms: Element Code: PDPGN08790 Full Name: Eriogonum callistum Reveal USDA PLANTS Symbol: Biology Lifeform: perennial herb Blooming Period: May - July Habitat: openings, rocky, limestone. • Chaparral

Rarity Status CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled. Occurrence Data from DFG California Natural Diversity Database Total # of Known Element Occurrences: 1 Element Occurrence Ranks: A B C D X U 0 0 0 0 0 1 Population Status: Historic >20 yrs Recent <=20 yrs 0 1 Presence: Present Extant Possibly Extirpated Extirpated 1 0 0 Notes Known from fewer than 5 occurrences. Potentially threatened by urban and energy development. Not in The Jepson Manual (1993). See SIDA 22(2): 857-861 (2006) for original description. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 2008-10-14 Last Update: 2010-03-15

Location Elevation: 1400 - 1500 meters California Endemic: yes States: California California Counties and Islands:   name (code) Kern (KRN) Quads:   name (DWR code) USGS code Lebec (189D) 34118G7 Notes: Definitions of codes preceding a county and/or quad: * Presumed extirpated ? Uncertain about distribution or identity ?* Uncertain about distribution, but presumed extirpated if once present (?) Occurrence confirmed, but possibly extirpated Species may be present in other areas where conditions are favorable.

Presumed Extant Presumed Extirpated or Unknown 3344

Links to Leading Resources of Taxon Information USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer Suggested Citation California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on . -118.75,34.75

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