Blepharipappus laevis (A.Gray) A.Gray accepted as Blepharipappus scaber Hook. (original description)
Calea trichotoma Donn.Sm. accepted as Calea jamaicensis (L.) L. (original description)
Encelia pleistocephala Donn.Sm. accepted as Verbesina pleistocephala (Donn.Sm.) B.L.Rob. (original description)
Erigeron tweedyi Canby (original description)
Hieracium howellii A.Gray (original description)
Melampodium brachyglossum Donn.Sm. accepted as Melampodium paniculatum Gardner (original description)
Mikania pyramidata Donn.Sm. (original description)
Zexmenia guatemalensis Donn.Sm. accepted as Lundellianthus guatemalensis (Donn.Sm.) Strother (original description)