Antennaria dimorpha var. macrocephala D.C.Eaton accepted as Antennaria dimorpha (Nutt.) Torr. & A.Gray (original description)
Antennaria dimorpha var. nuttallii D.C.Eaton accepted as Antennaria dimorpha (Nutt.) Torr. & A.Gray (original description)
Artemisia spinescens D.C.Eaton accepted as Picrothamnus desertorum Nutt. (original description)
Aster ascendens var. parryi D.C.Eaton accepted as Symphyotrichum foliaceum var. parryi (D.C.Eaton) G.L.Nesom (original description)
Aster asperugineus D.C.Eaton accepted as Erigeron asperugineus (D.C.Eaton) A.Gray (original description)
Aster douglasii D.C.Eaton accepted as Symphyotrichum foliaceum (Lindl. ex DC.) G.L.Nesom (original description)
Aster elegans var. engelmannii D.C.Eaton accepted as Eucephalus engelmannii (D.C.Eaton) Greene (original description)
Aster falcatus D.C.Eaton accepted as Symphyotrichum ascendens (Lindl.) G.L.Nesom (original description)
Aster pulchellus D.C.Eaton accepted as Oreostemma alpigenum var. haydenii (Porter) G.L.Nesom (original description)
Bahia leucophylla D.C.Eaton accepted as Eriophyllum lanatum var. integrifolium (Hook.) Smiley (original description)
Brickellia linifolia D.C.Eaton accepted as Brickellia linifolia var. linifolia (D.C.Eaton) B.L.Rob. (original description)
Burrielia nivea D.C.Eaton accepted as Eatonella nivea (D.C.Eaton) A.Gray (original description)
Chaenactis macrantha D.C.Eaton (original description)
Chrysopsis villosa var. foliosa (Nutt.) D.C.Eaton accepted as Heterotheca villosa var. foliosa (Nutt.) V.L.Harms (original description)
Cirsium eriocephalum var. leiocephalum D.C.Eaton accepted as Cirsium eatonii (A.Gray) B.L.Rob. (original description)
Crepis occidentalis var. gracilis D.C.Eaton accepted as Crepis atribarba A.Heller (original description)
Erigeron concinnus var. condensatus D.C.Eaton (original description)
Erigeron ochroleucus D.C.Eaton accepted as Erigeron eatonii A.Gray (original description)
Erigeron stenophyllus D.C.Eaton accepted as Erigeron arenarioides (D.C.Eaton ex A.Gray) A.Gray ex Rydb. (original description)
Erigeron ursinus D.C.Eaton (original description)
Glyptopleura D.C.Eaton (original description)
Glyptopleura marginata D.C.Eaton (original description)
Gnaphalium luteoalbum var. sprengelii (Hook. & Arn.) D.C.Eaton accepted as Pseudognaphalium stramineum (Kunth) Anderb. (original description)
Haplopappus acaulis var. glabratus D.C.Eaton accepted as Stenotus acaulis (Nutt.) Nutt. (original description)
Haplopappus nanus D.C.Eaton (original description)
Haplopappus suffruticosus D.C.Eaton (original description)
Haplopappus tenuicaulis D.C.Eaton (original description)
Helianthella multicaulis D.C.Eaton (original description)
Madaria elegans var. corymbosa D.C.Eaton (original description)
Microrhynchus glaucus (Pursh) D.C.Eaton accepted as Agoseris glauca (Pursh) Raf. (original description)
Senecio lugens var. exaltatus (Nutt.) D.C.Eaton accepted as Senecio integerrimus var. exaltatus (Nutt.) Cronquist (original description)
Senecio lugens var. hookeri D.C.Eaton accepted as Senecio sphaerocephalus Greene (original description)
Senecio lugens var. parryi D.C.Eaton (original description)
Tanacetum canum D.C.Eaton accepted as Sphaeromeria cana (D.C.Eaton) A.Heller (original description)
Tanacetum diversifolium D.C.Eaton accepted as Sphaeromeria diversifolia (D.C.Eaton) Rydb. (original description)
Tithonia argophylla D.C.Eaton accepted as Enceliopsis argophylla (D.C.Eaton) A.Nelson (original description)
Townsendia scapigera D.C.Eaton (original description)
Townsendia scapigera var. caulescens D.C.Eaton (original description)
Townsendia strigosa D.C.Eaton (original description)