Aster concolor var. simulatus (Small) R.W.Long accepted as Symphyotrichum concolor var. concolor (L.) G.L.Nesom (original description)
Aster patens var. floridanus R.W.Long accepted as Symphyotrichum fontinale (Alexander) G.L.Nesom (original description)
Aster tenuifolius var. aphyllus R.W.Long accepted as Symphyotrichum tenuifolium var. aphyllum (R.W.Long) S.D.Sundb. (original description)
Cirsium horridulum var. vittatum (Small) R.W.Long (original description)
Heterotheca floridana (Small) R.W.Long accepted as Chrysopsis floridana Small (original description)
Heterotheca graminifolia var. tracyi (Small) R.W.Long accepted as Pityopsis graminifolia var. tracyi (Small) Semple (original description)
Heterotheca hyssopifolia (Nutt.) R.W.Long accepted as Chrysopsis gossypina subsp. hyssopifolia (Nutt.) Semple (original description)
Heterotheca hyssopifolia var. subulata (Small) R.W.Long (original description)
Heterotheca hyssopifolia var. subulata (Small) R.W.Long (original description)
Kuhnia eupatorioides var. floridana R.W.Long accepted as Brickellia eupatorioides var. floridana (R.W.Long) B.L.Turner (original description)
Macvaughiella mexicana var. standleyi (Steyerm.) R.M.King & H.Rob. accepted as Macvaughiella mexicana (Sch.Bip.) R.M.King & H.Rob. (original description)
Silphium integrifolium var. neglectum Settle & T.R.Fisher accepted as Silphium integrifolium var. integrifolium Michx. (original description)