Brachychaeta sphacelata Greene (original description)
Chrysopsis berlandieri Greene accepted as Heterotheca canescens (DC.) Shinners (original description)
Chrysopsis columbiana Greene accepted as Heterotheca villosa var. minor (Hook.) Semple (original description)
Chrysopsis pumila Greene accepted as Heterotheca pumila (Greene) Semple (original description)
Chrysopsis rudis var. scaberrima (A.Gray) Greene accepted as Heterotheca oregona var. scaberrima (A.Gray) Semple (original description)
Chrysopsis rutteri (Rothr.) Greene accepted as Heterotheca rutteri (Rothr.) Shinners (original description)
Chrysopsis stenophylla (A.Gray) Greene accepted as Heterotheca stenophylla (A.Gray) Shinners (original description)
Chrysopsis viscida (A.Gray) Greene accepted as Heterotheca viscida (A.Gray) V.L.Harms (original description)
Ericameria cuneata (A.Gray) McClatchie (original description)
Ericameria monactis (A.Gray) McClatchie accepted as Ericameria cooperi (A.Gray) H.M.Hall (original description)
Erigeron scabrellus Greene (original description)
Eriocarpum australe Greene accepted as Xanthisma spinulosum (Pursh) D.R.Morgan & R.L.Hartm. (original description)
Eriocarpum coloradense (A.Gray) Greene accepted as Xanthisma coloradoense (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Eriocarpum gracile (Nutt.) Greene accepted as Xanthisma gracile (Nutt.) D.R.Morgan & R.L.Hartm. (original description)
Eriocarpum gymnocephalum (DC.) Greene accepted as Xanthisma blephariphyllum (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Eriocarpum junceum (Greene) Greene accepted as Xanthisma junceum (Greene) D.R.Morgan & R.L.Hartm. (original description)
Eriocarpum scabrellum Greene accepted as Ericameria nauseosa var. ammophila L.C.Anderson (original description)
Eriocarpum spinulosum (Pursh) Greene accepted as Xanthisma spinulosum (Pursh) D.R.Morgan & R.L.Hartm. (original description)
Eriocarpum stenolobum Greene accepted as Machaeranthera stenoloba (Greene) Shinners (original description)
Hazardia berberidis (A.Gray) Greene (original description)
Hazardia cruenta (Greene) Greene (original description)
Hazardia orcuttii (A.Gray) Greene (original description)
Hazardia squarrosa (Hook. & Arn.) Greene (original description)
Isocoma acradenia (Greene) Greene (original description)
Isocoma coronopifolia (A.Gray) Greene (original description)
Isocoma drummondii (Torr. & A.Gray) Greene (original description)
Isocoma hartwegii (A.Gray) Greene (original description)
Isocoma heterophylla (A.Gray) Greene accepted as Isocoma pluriflora (Torr. & A.Gray) Greene (original description)
Isocoma pluriflora (Torr. & A.Gray) Greene (original description)
Isocoma tridentata (Greene) Greene accepted as Isocoma menziesii var. tridentata (Greene) G.L.Nesom (original description)
Isocoma venata Greene (original description)
Isocoma veneta (Kunth) Greene (original description)
Macronema greenei (A.Gray) Greene accepted as Ericameria greenei (A.Gray) G.L.Nesom (original description)
Macronema greenei A.Gray (original description)
Macronema molle A.Gray (original description)
Macronema molle (A.Gray) Greene accepted as Ericameria greenei (A.Gray) G.L.Nesom (original description)
Macronema pygmaeum (Torr. & A.Gray) Greene accepted as Tonestus pygmaeus (Torr. & A.Gray) A.Nelson (original description)
Macronema watsonii (A.Gray) Greene accepted as Ericameria watsonii (A.Gray) G.L.Nesom (original description)
Pyrrocoma apargioides (A.Gray) Greene (original description)
Pyrrocoma crocea (A.Gray) Greene (original description)
Pyrrocoma cusickii (A.Gray) Greene accepted as Pyrrocoma carthamoides var. cusickii (A.Gray) Kartesz & Gandhi (original description)
Pyrrocoma hirta (A.Gray) Greene (original description)
Pyrrocoma howellii (A.Gray) Greene accepted as Pyrrocoma uniflora var. uniflora (Hook.) Greene (original description)
Pyrrocoma integrifolia (Porter ex A.Gray) Greene (original description)
Pyrrocoma inuloides (Nutt.) Greene (original description)
Pyrrocoma lanceolata (Hook.) Greene (original description)
Pyrrocoma tenuicaulis (D.C.Eaton ex S.Watson) Greene accepted as Pyrrocoma lanceolata var. lanceolata (Hook.) Greene (original description)
Pyrrocoma uniflora (Hook.) Greene (original description)
Senecio ilicetorum Davidson (original description)
Solidago parryi (A.Gray) Greene accepted as Oreochrysum parryi (A.Gray) Rydb. (original description)
Solidago parryi var. minor (A.Gray) Greene accepted as Oreochrysum parryi (A.Gray) Rydb. (original description)
Stenotus interior (Coville) Greene accepted as Ericameria linearifolia (DC.) Urbatsch & Wussow (original description)
Stenotus lanuginosus (A.Gray) Greene (original description)
Stenotus stenophyllus (A.Gray) Greene accepted as Nestotus stenophyllus (A.Gray) R.P.Roberts, Urbatsch & Neubig (original description)