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RUBIACEAE - - Madder Family
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In crevices of rock outcrops at the summits of high elevation peaks of the Southern Blue Ridge, also in thin, frost-heaved, gravelly soils of grassy balds near summit outcrops, from 1250-1950 m in elevation. This species is endemic to the high Blue Ridge of nw. NC, ne. TN, and sw. VA, most notably occurring on Roan Mountain, Grandfather Mountain, Bluff Mountain, and Three Top Mountain.
Habitat information from:
Weakley, Alan S., Flora of the Southern and Mid-Atlantic States, Working Draft of 21 May 2015.
Guide to the Wildflowers, Trees and Shrubs of North Georgia and Adjacent States
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