Aster laevis var. guadalupensis A.G.Jones accepted as Symphyotrichum laeve (L.) Á.Löve & D.Löve (original description)
Croptilon hookerianum var. validum (Rydb.) E.B.Sm. (original description)
Croptilon rigidifolium (E.B.Sm.) E.B.Sm. (original description)
Eremanthus janivultus G.L.Nesom (original description)
Erigeron griseus (Greenm.) G.L.Nesom (original description)
Erigeron narcissus G.L.Nesom (original description)
Erigeron subacaulis (McVaugh) G.L.Nesom (original description)
Erigeron tephropodus G.L.Nesom (original description)
Erigeron versicolor (Greenm.) G.L.Nesom (original description)
Erigeron wislizeni subsp. purpurascens (Greenm.) G.L.Nesom accepted as Erigeron wislizeni var. purpurascens (Greenm.) G.L.Nesom (original description)