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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Richard and Teresa Ware rtw_o_riddellii_cropped
Larger leaves 0.4-1.6cm wide; leaves acuminate, often folded along the midvein, per Weakley's Flora.
Richard and Teresa Ware rtw_o_riddellii_cropped_2
Inflorescence corymbose (rounded), per Weakley's Flora (2012).
Richard and Teresa Ware rtw_o_riddellii_cropped_3
Each head contains 7-9 ray florets and 6-10 disc florets, per Flora of North America.