Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
The families and genera of vascular plants (Kadereit & Jeffrey, 2007)
No pictures are available at this time.