Actinea acaulis arizonica S.F.Blake (original description)
Actinea acaulis lanigera S.F.Blake (original description)
Actinea canescens (D.C.Eaton ex D.C.Eaton) S.F.Blake accepted as Hymenoxys cooperi (A.Gray) Cockerell (original description)
Actinea lemmonii (Greene) S.F.Blake accepted as Hymenoxys lemmonii (Greene) Cockerell (original description)
Agoseris gracilens var. greenei (A.Gray) S.F.Blake accepted as Agoseris aurantiaca (Hook.) Greene (original description)
Agoseris scorzonerifolia var. aspera (Rydb.) S.F.Blake accepted as Agoseris glauca (Pursh) Raf. (original description)
Ambrosia psilostachya var. californica (Rydb.) S.F.Blake accepted as Ambrosia psilostachya DC. (original description)
Aster abatus S.F.Blake accepted as Xylorhiza tortifolia (Torr. & A.Gray) Greene (original description)
Aster brachyactis S.F.Blake accepted as Symphyotrichum ciliatum (Ledeb.) G.L.Nesom (original description)
Aster cichoriaceus (Greene) S.F.Blake accepted as Dieteria canescens var. aristata (Eastw.) D.R.Morgan & R.L.Hartm. (original description)
Aster hirtifolius S.F.Blake accepted as Chaetopappa ericoides (Torr.) G.L.Nesom (original description)
Aster leiodes S.F.Blake accepted as Dieteria canescens var. canescens (Pursh) Nutt. (original description)
Aster leucelene S.F.Blake accepted as Chaetopappa ericoides (Torr.) G.L.Nesom (original description)
Aster parvulus S.F.Blake accepted as Arida parviflora (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Aster rubrotinctus S.F.Blake accepted as Dieteria bigelovii var. bigelovii (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Aster tagetinus (Greene) S.F.Blake accepted as Machaeranthera tagetina Greene (original description)
Aster tephrodes (A.Gray) S.F.Blake accepted as Dieteria asteroides var. asteroides Torr. (original description)
Aster wasatchensis (M.E.Jones) S.F.Blake accepted as Herrickia wasatchensis (M.E.Jones) Brouillet (original description)
Chrysopsis jonesii S.F.Blake accepted as Heterotheca jonesii (S.F.Blake) S.L.Welsh & N.D.Atwood (original description)
Chrysopsis viscida var. ciliata (A.Nelson) S.F.Blake accepted as Heterotheca viscida (A.Gray) V.L.Harms (original description)
Chrysothamnus speciosus var. frigidus (Greene) S.F.Blake accepted as Ericameria nauseosa (Pall. ex Pursh) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus viscidiflorus var. stenolepis (Rydb.) S.F.Blake accepted as Chrysothamnus viscidiflorus (Hook.) Nutt. (original description)
Coleosanthus oblongifolius var. linifolius (D.C.Eaton) S.F.Blake accepted as Brickellia linifolia var. linifolia (D.C.Eaton) B.L.Rob. (original description)
Haplopappus acradenius (Greene) S.F.Blake accepted as Isocoma acradenia (Greene) Greene (original description)
Haplopappus clementis (Rydb.) S.F.Blake accepted as Pyrrocoma clementis var. clementis Rydb. (original description)
Haplopappus eriopodus (Greene) S.F.Blake (original description)
Haplopappus falcatus (Rydb.) S.F.Blake (original description)
Haplopappus heterophyllus (A.Gray) S.F.Blake accepted as Isocoma pluriflora (Torr. & A.Gray) Greene (original description)
Haplopappus nelsonii S.F.Blake (original description)
Haplopappus rydbergii S.F.Blake accepted as Ericameria obovata (Rydb.) G.L.Nesom (original description)
Haplopappus scopulorum (M.E.Jones) S.F.Blake accepted as Chrysothamnus scopulorum (M.E.Jones) Urbatsch, R.P.Roberts & Neubig (original description)
Haplopappus spinulosus var. goodingii (A.Nelson) S.F.Blake accepted as Xanthisma spinulosum var. gooddingii (A.Nelson) D.R.Morgan & R.L.Hartm. (original description)
Haplopappus subviscosus (Greene) S.F.Blake accepted as Pyrrocoma lanceolata var. subviscosa (Greene) Mayes ex G.K.Br. & D.J.Keil (original description)
Ptiloria tenuifolia var. myrioclada (D.C.Eaton) S.F.Blake (original description)
Raillardella scaposa var. nevadensis (A.Nelson & P.B.Kenn.) S.F.Blake accepted as Raillardella scaposa (A.Gray) A.Gray (original description)
Senecio cymbalarioides var. aphanactis (Greene) S.F.Blake (original description)
Senecio purshianus var. eradiatus (D.C.Eaton) S.F.Blake (original description)
Solidago petradoria S.F.Blake accepted as Petradoria pumila subsp. pumila (Nutt.) Greene (original description)