Bidens bruceae (sphalm.Brucei) Sherff accepted as Bidens buchneri (Klatt) Sherff (original description)
Bidens coreocarpoides Sherff (original description)
Bidens gentryi Sherff (original description)
Bidens insolita Sherff (original description)
Bidens pilosa f. decumbens (Greenm.) Sherff accepted as Bidens pilosa f. dondiifolia (Less.) Sherff (original description)
Bidens pilosa f. dondiifolia Sherff (original description)
Coreocarpus arizonicus var. macrophyllus Sherff accepted as Coreocarpus arizonicus (A.Gray) S.F.Blake (original description)
Coreocarpus johnstonii Sherff accepted as Coreocarpus sonoranus Sherff (original description)
Coreocarpus robustior Sherff accepted as Coreocarpus parthenioides Benth. (original description)
Coreocarpus shrevei Sherff accepted as Coreocarpus parthenioides Benth. (original description)
Coreocarpus shrevei var. latilobus Sherff accepted as Coreocarpus parthenioides Benth. (original description)
Coreocarpus sonoranus Sherff (original description)
Coreopsis stillmanii var. jonesii Sherff accepted as Coreopsis douglasii (DC.) H.M.Hall (original description)
Cosmos linearifolius var. magnifolius Sherff accepted as Cosmos linearifolius (Sch.Bip.) Hemsl. (original description)
Megalodonta beckii var. oregonensis Sherff accepted as Bidens beckii Torr. ex Spreng. (original description)