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Erigeron breweri : ウィキペディア英語版 | Erigeron breweri
''Erigeron breweri'' is a North American species of flowering plants in the daisy family known by the common name Brewer's fleabane. ''Erigeron breweri'' is native to the western United States in the States of California and Nevada,〔(Biota of North America Program, 2014 county distribution map )〕 where it grows in many varied habitats, from mountains to grassland and desert. It is a perennial herb reaching anywhere from 10 to 70 centimeters (4-28 inches) in height with evenly spaced small leaves along its hairy stems. The flower heads are around one centimeter (0.4 inches) wide with centers of golden yellow or greenish disc florets and most heads have a fringe of purple ray florets.〔(Flora of North America, Erigeron breweri A. Gray, Proc. Amer. Acad. Arts. 6: 541. 1866. )〕 ;Varieties〔(The Plant List, ''Erigeron breweri'' A.Gray )〕〔〔(Calflora taxon report, University of California, Erigeron breweri A. Gray Brewer's Fleabane )〕 * ''Erigeron breweri'' var. ''bisanctus'' G.Nesom - San Gabriel + San Bernardino Mountains * ''Erigeron breweri'' var. ''breweri'' - Nevada, mountains of California (primarily Sierra Nevada) from Shasta County to San Bernardino County * ''Erigeron breweri'' var. ''covillei'' (Greene) G.L.Nesom - southern California from Inyo County to San Diego County * ''Erigeron breweri'' var. ''jacinteus'' (H.M.Hall) Cronquist - southern California from Kern County to Riverside County * ''Erigeron breweri'' var. ''porphyreticus'' (M.E.Jones) Cronquist mountains of California from Alpine County to Riverside County ==References==
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