Grows in the mts. of N.C., S.C., and Ga., and has recently been recorded from sw. Va. It would key to S. jacobaea, but it is a true perennial from a rhizome-caudex, with basally disposed leaves that are dissected into small and mostly narrow ultimate segments.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.