Aster bifoliatus (Walter) Ahles (original description)
Aster bifoliatus (Walter) H.E.Ahles accepted as Sericocarpus tortifolius (Michx.) Nees (original description)
Aster divaricatus var. chlorolepis (E.S.Burgess) H.E.Ahles accepted as Eurybia chlorolepis (E.S.Burgess) G.L.Nesom (original description)
Carduus smallii (Britton) Ahles (original description)
Carduus smallii (Britton) H.E.Ahles accepted as Cirsium horridulum var. vittatum (Small) R.W.Long (original description)
Chrysogonum virginianum var. australe (Alexander ex Small) H.E.Ahles (original description)
Eupatorium capillifolium var. leptophyllum (DC.) H.E.Ahles accepted as Eupatorium leptophyllum DC. (original description)
Heterotheca adenolepis (Fernald) H.E.Ahles accepted as Pityopsis aspera var. adenolepis (Fernald) Semple & F.D.Bowers (original description)
Heterotheca adenolepis (Fernald) Ahles (original description)
Heterotheca correllii (Fernald) H.E.Ahles accepted as Pityopsis graminifolia var. latifolia (Fernald) Semple & F.D.Bowers (original description)
Heterotheca correllii (Fernald) Ahles (original description)
Heterotheca pinifolia (Elliot) Ahles (original description)
Heterotheca pinifolia (Elliott) H.E.Ahles accepted as Pityopsis pinifolia (Elliott) Nutt. (original description)
Pyrrhopappus carolinianus var. georgianus (Shinners) H.E.Ahles accepted as Pyrrhopappus carolinianus (Walter) DC. (original description)
Silphium dentatum var. gatesii (C.Mohr) H.E.Ahles accepted as Silphium asteriscus var. asteriscus L. (original description)