Agoseris dens-leonis Greene accepted as Agoseris parviflora (Nutt.) D.Dietr. (original description)
Aster inornatus Greene accepted as Dieteria canescens var. shastensis (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Aster leucanthemifolius Greene accepted as Dieteria canescens var. leucanthemifolia (Greene) D.R.Morgan & R.L.Hartm. (original description)
Brintonia Greene accepted as Solidago L. (original description)
Brintonia discoidea (Elliott) Greene accepted as Solidago discoidea (Elliott) Torr. & A.Gray (original description)
Chondrophora virgata (Nutt.) Greene accepted as Bigelowia nudata var. nudata (original description)
Chrysocoma laricifolia (A.Gray) Greene accepted as Ericameria laricifolia (A.Gray) Shinners (original description)
Chrysoma arborescens (A.Gray) Greene accepted as Ericameria arborescens (A.Gray) Greene (original description)
Chrysoma brachylepis (A.Gray) Greene accepted as Ericameria brachylepis (A.Gray) H.M.Hall (original description)
Chrysoma cooperi (A.Gray) Greene accepted as Ericameria cooperi (A.Gray) H.M.Hall (original description)
Chrysoma cuneata (A.Gray) Greene accepted as Ericameria cuneata (A.Gray) McClatchie (original description)
Chrysoma cuneata var. spathulata (A.Gray) Greene accepted as Ericameria cuneata var. spathulata (A.Gray) H.M.Hall (original description)
Chrysoma diffusa Greene accepted as Xylothamia diffusa (Benth.) G.L.Nesom (original description)
Chrysoma domingensis (Spreng.) Greene accepted as Gundlachia domingensis (Spreng.) A.Gray (original description)
Chrysoma domingensis var. obtusifolia Greene accepted as Gundlachia corymbosa (Urb.) Britton ex Bold. (original description)
Chrysoma ericoides Greene accepted as Ericameria ericoides (Less.) Nutt. ex Jeps. (original description)
Chrysoma laricifolia (A.Gray) Greene accepted as Ericameria laricifolia (A.Gray) Shinners (original description)
Chrysoma nana Greene accepted as Ericameria nana Nutt. (original description)
Chrysoma palmeri (A.Gray) Greene accepted as Ericameria palmeri (A.Gray) H.M.Hall (original description)
Chrysoma paniculata (A.Gray) Greene accepted as Ericameria paniculata (A.Gray) A.Gray ex Rydb. (original description)
Chrysoma parishii (Greene) Greene accepted as Ericameria parishii (Greene) H.M.Hall (original description)
Chrysoma pauciflosculosa (Michx.) Greene (original description)
Chrysoma pinifolia (A.Gray) Greene accepted as Ericameria pinifolia (A.Gray) H.M.Hall (original description)
Chrysoma teretifolia Greene accepted as Ericameria teretifolia (Durand & Hilg.) Jeps. (original description)
Chrysothamnus albidus (M.E.Jones ex A.Gray) Greene accepted as Ericameria albida (M.E.Jones ex A.Gray) L.C.Anderson (original description)
Chrysothamnus bigelovii (A.Gray) Greene accepted as Ericameria nauseosa var. bigelovii (A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus bloomeri (A.Gray) Greene accepted as Ericameria bloomeri (A.Gray) J.F.Macbr. (original description)
Chrysothamnus bolanderi (A.Gray) Greene accepted as Ericameria bolanderi (A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus californicus Greene accepted as Ericameria nauseosa var. speciosa (Nutt.) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus californicus var. occidentalis Greene accepted as Ericameria nauseosa var. speciosa (Nutt.) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus ceruminosus (Durand & Hilg.) Greene accepted as Ericameria nauseosa var. ceruminosa (Durand & Hilg.) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus elegans Greene accepted as Chrysothamnus viscidiflorus subsp. lanceolatus (Nutt.) H.M.Hall & Clem. (original description)
Chrysothamnus frigidus Greene accepted as Ericameria nauseosa subsp. nauseosa var. nauseosa (Pall. ex Pursh) G.L.Nesom & Baird (original description)
Chrysothamnus graveolens (Nutt.) Greene accepted as Ericameria nauseosa var. graveolens (Nutt.) Reveal & Schuyler (original description)
Chrysothamnus greenei (A.Gray) Greene (original description)
Chrysothamnus howardii (Parry ex A.Gray) Greene accepted as Ericameria parryi var. howardii (Parry ex A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus junceus (Greene) Greene accepted as Ericameria nauseosa var. juncea (Greene) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus leiospermus (A.Gray) Greene accepted as Ericameria nauseosa var. leiosperma (A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus mohavensis (Greene) Greene accepted as Ericameria nauseosa var. mohavensis (Greene) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus nevadensis (A.Gray) Greene accepted as Ericameria parryi var. nevadensis (A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus parryi (A.Gray) Greene (original description)
Chrysothamnus puberulus (D.C.Eaton) Greene accepted as Chrysothamnus viscidiflorus subsp. puberulus (D.C.Eaton) H.M.Hall & Clem. (original description)
Chrysothamnus pulchellus (A.Gray) Greene accepted as Lorandersonia pulchella (A.Gray) Urbatsch, R.P.Roberts & Neubig (original description)
Chrysothamnus speciosus var. arizonicus Greene accepted as Ericameria nauseosa var. latisquamea (A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus speciosus var. gnaphalodes Greene accepted as Ericameria nauseosa var. hololeuca (A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus speciosus var. latisquameus (A.Gray) Greene accepted as Ericameria nauseosa var. latisquamea (A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus speciosus var. plattensis Greene accepted as Ericameria nauseosa var. speciosa (Nutt.) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus stenophyllus (A.Gray) Greene accepted as Chrysothamnus viscidiflorus subsp. viscidiflorus (Hook.) Nutt. (original description)
Chrysothamnus vaseyi (A.Gray) Greene (original description)
Chrysothamnus viscidiflorus var. lanceolatus (Nutt.) Greene accepted as Chrysothamnus viscidiflorus subsp. lanceolatus (Nutt.) H.M.Hall & Clem. (original description)
Chrysothamnus viscidiflorus var. latifolius (D.C.Eaton) Greene accepted as Chrysothamnus viscidiflorus subsp. viscidiflorus (Hook.) Nutt. (original description)
Chrysothamnus viscidiflorus var. serrulatus (Torr.) Greene (original description)
Crepis bakeri Greene (original description)
Crepis modocensis Greene (original description)
Erigeron austinae Greene (original description)
Erigeron austiniae Greene accepted as Erigeron chrysopsidis var. austiniae (Greene) Cronquist (original description)
Erigeron barbellulatus Greene (original description)
Erigeron blasdalei Greene accepted as Erigeron foliosus var. hartwegii (Greene) Jeps. (original description)
Erigeron confinis Howell accepted as Erigeron foliosus var. confinis (Howell) Jeps. (original description)
Erigeron covillei Greene accepted as Erigeron breweri var. covillei (Greene) G.L.Nesom (original description)
Erigeron elegantulus Greene (original description)
Erigeron hartwegii Greene accepted as Erigeron foliosus var. hartwegii (Greene) Jeps. (original description)
Erigeron oxyphyllus Greene (original description)
Erigeron petrocallis Greene accepted as Erigeron breweri var. porphyreticus (M.E.Jones) Cronquist (original description)
Eriocarpum blephariphyllum (A.Gray) Greene accepted as Xanthisma blephariphyllum (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Eriocarpum phyllocephalum (DC.) Greene accepted as Rayjacksonia phyllocephala (DC.) R.L.Hartm. & M.A.Lane (original description)
Eriocarpum rubiginosum Greene (original description)
Eriophyllum croceum Greene accepted as Eriophyllum lanatum var. croceum (Greene) Jeps. (original description)
Eriophyllum obovatum Greene accepted as Eriophyllum lanatum var. obovatum (Greene) H.M.Hall (original description)
Hieracium amplum Greene (original description)
Microseris intermedia Greene (original description)
Neosyris Greene accepted as Llerasia Triana (original description)
Neosyris fuliginea (Kunth) Greene accepted as Llerasia fuliginea (Kunth) Cuatrec. (original description)
Neosyris hypoleuca (Turcz.) Greene accepted as Llerasia hypoleuca (Turcz.) Cuatrec. (original description)
Osbertia Greene (original description)
Osbertia heleniastrum (Greene) Greene (original description)
Osbertia heleniastrum var. glabrata (J.M.Coult.) Greene accepted as Osbertia stolonifera (DC.) Greene (original description)
Osbertia heleniastrum var. scabrella Greene accepted as Osbertia stolonifera (DC.) Greene (original description)
Osbertia stolonifera (DC.) Greene (original description)
Petradoria Greene (original description)
Petradoria pumila (Nutt.) Greene (original description)
Pyrrocoma subsquarrosa Greene accepted as Pyrrocoma carthamoides var. subsquarrosa (Greene) G.K.Br. & D.J.Keil (original description)
Raillardella paniculata Greene accepted as Arnica viscosa A.Gray (original description)
Senecio admirabilis Greene accepted as Senecio serra var. admirabilis (Greene) A.Nelson (original description)
Senecio breweri Burtt Davy accepted as Packera breweri (Burtt Davy) W.A.Weber & Á.Löve (original description)
Senecio caulanthifolius Burtt Davy (original description)
Senecio lynceus Greene accepted as Packera multilobata (Torr. & A.Gray ex A.Gray) W.A.Weber & Á.Löve (original description)
Senecio streptanthifolius Greene accepted as Packera streptanthifolia (Greene) W.A.Weber & Á.Löve (original description)
Senecio subvestitus Howell (original description)
Senecio triangularis var. hansenii Greene (original description)
Stephanodoria Greene (original description)
Stephanodoria tomentella (B.L.Rob.) Greene (original description)