• Vernonia Guimarães, 1936 accepted as Vernoniella Guimarães, 1942 [Family: Philopteridae]
• Vernonia Schreber, 1791 [Family: Asteraceae]
• Vernonia White, 1878 (uncertain) [Family: Hemiptera (awaiting allocation)]
• Vernonia aborigina Gleason accepted as Vernonia missurica Raf.
• Vernonia acaulis (Walt.) Gleason
• Vernonia albicaulis Pers.
• Vernonia altissima Nutt. accepted as Vernonia gigantea (Walt.) Trel.
• Vernonia angustifolia Michx.
• Vernonia anthelmintica (L.) Willd.
• Vernonia arkansana DC.
• Vernonia baldwinii Torr.
• Vernonia blodgettii Small
• Vernonia borinquensis Urban
• Vernonia cinerea (L.) Less. accepted as Cyanthillium cinereum (L.) H.E. Robins.
• Vernonia concinna Gleason
• Vernonia crinita Raf. accepted as Vernonia arkansana DC.
• Vernonia dissimilis Gleason
• Vernonia fasciculata Michx.
• Vernonia flaccidifolia Small
• Vernonia galamensis (Cass.) Less.
• Vernonia georgiana Bartlett
• Vernonia gigantea (Walt.) Trel.
• Vernonia glauca (L.) Willd.
• Vernonia guadalupensis Heller
• Vernonia harperi Gleason accepted as Vernonia noveboracensis (L.) Michx.
• Vernonia illinoensis Gleason
• Vernonia interior Small accepted as Vernonia baldwinii Torr.
• Vernonia larsenii B.L. King & S.B. Jones
• Vernonia lettermannii Engelm. ex Gray
• Vernonia lindheimeri Gray & Engelm.
• Vernonia longifolia Persoon accepted as Vernonia albicaulis Pers.
• Vernonia marginata (Torr.) Raf.
• Vernonia missurica Raf.
• Vernonia noveboracensis (L.) Michx.
• Vernonia ovalifolia Torr. & Gray accepted as Vernonia gigantea (Walt.) Trel.
• Vernonia pauciflora (Willd.) Less. accepted as Vernonia galamensis (Cass.) Less.
• Vernonia peralta Daniels
• Vernonia proctori Urbatsch
• Vernonia pulchella Small
• Vernonia recurva Gleason accepted as Vernonia angustifolia Michx.
• Vernonia remotiflora Rich.
• Vernonia scaberrima Nutt. accepted as Vernonia angustifolia Michx.
• Vernonia sericea L.C. Rich.
• Vernonia texana (Gray) Small
• Vernonia vahliana Lessing accepted as Vernonia albicaulis Pers.
• Vernonia vulturina Shinners
• Vernonia yellow vein virus
• Vernoniastrum H.E. Robinson, 1999