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Erigeron muirii
''Erigeron muirii'' (Muir's fleabane) is a rare Arctic species of flowering plant in the daisy family. It has been found only in northern Alaska and the northern Yukon Territory, including Herschel Island in the Arctic Ocean.〔(Rare Vascular Plants of the North Slope - Bureau of Land Management, United States Department of the Interior ), Erigeron muirii on pages 45-48, with photos, Alaskan distribution map, description, information on ecology and conservation〕〔(Biota of North America Program 2014 state-level distribution map )〕 It grows in tundra, dry slopes, and rock outcrops.〔Cody, W. J. 1996. Flora of the Yukon Territory i–xvii, 1–669. NRC Research Press, Ottawa.〕〔Welsh, S. L. 1974. Anderson's Flora of Alaska and Adjacent Parts of Canada i–xvi, 1–724. Brigham Young University Press, Provo. 〕
''Erigeron muirii'' is a small perennial herb rarely more than 12 cm (5 inches) high, covered with thick wool that gives it a gray-green appearance, spreading by means of underground rhizomes. The plant generally produces only one flower head per stem, the head containing sometimes as many as 100 ray florets surrounding numerous yellow disc florets.〔(Flora of North America, ''Erigeron muirii'' A. Gray, 1882. Muir’s fleabane )〕
''Erigeron muirii'' was discovered by noted conservationist John Muir near Cape Thompson, Alaska during his travels there in 1881. Muir sent the plants he collected to his friend and botanist Asa Gray, who determined that the ''Erigeron'' was a new species, which he named in honor of Muir.〔(Gray, Asa 1882. Proceedings of the American Academy of Arts and Sciences 17: 210–211 ) diagnosis in Latin, commentary in English〕
==Notes==
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