Baeriopsis J.T.Howell (original description)
Baeriopsis guadalupensis J.T.Howell (original description)
Erigeron engelmannii subsp. davisii Cronquist accepted as Erigeron davisii (Cronquist) G.L.Nesom (original description)
Erigeron engelmannii subsp. typicus Cronquist (original description)
Eriophyllum lanatum var. aphanactis J.T.Howell ex Eastw. accepted as Eriophyllum lanatum var. achillioides (DC.) Jeps. (original description)
Senecio lewisrosei J.T.Howell accepted as Packera eurycephala var. lewisrosei (J.T.Howell) J.F.Bain (original description)
Senecio revolutus Hoover accepted as Senecio pattersonensis Hoover (original description)