Aster linguiformis E.S.Burgess accepted as Symphyotrichum undulatum (L.) G.L.Nesom (original description)
Aster loriformis (E.S.Burgess) E.S.Burgess accepted as Symphyotrichum undulatum (L.) G.L.Nesom (original description)
Aster proteus E.S.Burgess accepted as Symphyotrichum undulatum (L.) G.L.Nesom (original description)
Aster subsessilis E.S.Burgess accepted as Symphyotrichum patens var. patentissimum (Lindl. ex Lindl.) G.L.Nesom (original description)
Coleosanthus riddellii Kuntze (original description)
Coreopsis major var. rigida (Nutt.) F.E.Boynton accepted as Coreopsis major Walter (original description)
Rudbeckia acuminata C.L.Boynton & Beadle accepted as Rudbeckia fulgida var. fulgida Aiton (original description)
Rudbeckia foliosa C.L.Boynton & Beadle accepted as Rudbeckia fulgida var. fulgida Aiton (original description)
Rudbeckia tenax C.L.Boynton & Beadle accepted as Rudbeckia fulgida var. fulgida Aiton (original description)