Ageratina luciae-brauniae (Fernald) King & H. Robinson. Rockhouse White Snakeroot. Hab: Sandstone rockhouses, at the base of sandstone cliffs (usually overhanging) in seepage or splash. Dist: Endemic to the Cumberland Plateau of ne. TN (Chester, Wofford, & Kral 1997) and se. KY.
Origin/Endemic status: Endemic
Taxonomy Comments: Although considered by Clewell & Wooten (1971) as mere aberrant plants, Wofford (1976) provided evidence that A. luciae-brauniae should be accorded species rank.
Synonymy: = FNA21, K1, K3, K4, Tn; = Eupatorium luciae-brauniae Fernald – C, F, G, SE1; < Ageratina altissima (L.) R.M.King & H.Rob. var. altissima – Clewell & Wooten (1971)
Heliophily ?: 1
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