Erigeron sect. Arenarioides (Rydb.) G.L.Nesom (original description)
Erigeron sect. Cincinnactis G.L.Nesom (original description)
Erigeron sect. Imbarba G.L.Nesom (original description)
Erigeron sect. Karvinskia G.L.Nesom (original description)
Erigeron sect. Linearifolii (G.Don) G.L.Nesom (original description)
Erigeron sect. Osteocaulis G.L.Nesom (original description)
Erigeron sect. Scopulincola G.L.Nesom (original description)
Erigeron sect. Spathifolium G.L.Nesom (original description)
Erigeron sect. Spinosi (Alexander) G.L.Nesom & Sundberg accepted as Chloracantha G.L.Nesom, Y.B.Suh, D.R.Morgan, S.D.Sundb. & B.B.Simpson (original description)
Erigeron veracruzensis G.L.Nesom (original description)