Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
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Patrick D. McMillan pdmbglomerulifera_cssp
Most heads sessile (a few not), glomerules scattered along leafy branches, per Weakley's Flora.