Actinella richardsonii var. canescens D.C.Eaton (original description)
Aster chamissonis Torr. (original description)
Chrysopsis villosa var. hispida (Hook.) A.Gray ex D.C.Eaton accepted as Heterotheca villosa var. minor (Hook.) Semple (original description)
Haplopappus lanceolatus var. vaseyi Parry ex D.C.Eaton accepted as Pyrrocoma lanceolata var. lanceolata (Hook.) Greene (original description)
Haplopappus nanus (Nutt.) Eaton accepted as Ericameria nana Nutt. (original description)
Helianthus giganteus var. utahensis D.C.Eaton (original description)
Linosyris viscidiflora var. puberula D.C.Eaton accepted as Chrysothamnus viscidiflorus subsp. puberulus (D.C.Eaton) H.M.Hall & Clem. (original description)
Solidago guiradonis var. spectabilis D.C.Eaton accepted as Solidago spectabilis (D.C.Eaton) A.Gray (original description)