Helianthus atrorubens Linnaeus. Appalachian Sunflower. Phen: Late Jul-Oct. Hab: Dry soils of rocky, sandy, or clayey woodlands and roadbanks. Dist: N. VA west to w. TN, and south to c. GA, Panhandle FL, AL, and se. LA.

Origin/Endemic status: Endemic

Other Comments: Related to the Ozarkian H. silphioides Nuttall.

Synonymy: = C, Fl7, FNA21, K1, K3, K4, RAB, SE1, Tn, Va, W, WH3; = Helianthus atrorubens L. var. atrorubens – G; < Helianthus atrorubens L. – S; > Helianthus atrorubens L. var. alsodes Fernald – F; > Helianthus atrorubens L. var. atrorubens – F

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