Species;Locality "Vernonia in USA (Robinson 1999; Strother 2006)" "V. acaulis (Walter) Gleason";"Carolinas & Georgia" "V. angustifolia Michx.";"Southeast US" "V. arkansana DC.";"Central US" "V. baldwinii Torr.";"Central US" "V. blodgettii Small";"Florida & the Bahamas" "V. fasciculata Michx.";"Central US" "V. flaccidifolia Small";"Southeast US" "V. gigantea (Walter) Trel.";"Eastern US" "V. glauca (L.) Willd.";"Eastern US" "V. larseniae B.L.King & S.B.Jones";"Texas & Coahuila Mexico" "V. lettermannii Engelm. ex A.Gray";"Arkansas & Oklahoma" "V. lindheimeri A.Gray & Engelm.";"Texas & Coahuila Mexico" "V. missurica Raf.";"Central US" "V. marginata (Torr.) Raf.";"Southcentral US & Coahuila Mexico" "V. noveboracensis (L.) Michx.";"Eastern US" "V. texana (A.Gray) Small";"Southcentral US" "V. pulchella Small";Georgia "Vernonia only in Mexico (Turner 2007)" "V. greggii A.Gray";"Mexico, Sierra Madre Oriental" "V. ervendbergii A.Gray [= V. greggii]" "V. greggii var. schaffneri A.Gray [previously V. schaffneri A.Gray]" "Vernonia in South America" "V. incana Less.";"Argentina, southern Brazil, Uruguay" "V. echioides Less.";"Argentina, southern Brazil, Uruguay"