Agoseris dasycarpa Greene accepted as Agoseris glauca (Pursh) Raf. (original description)
Antennaria aizoides Greene accepted as Antennaria umbrinella Rydb. (original description)
Antennaria angustata Greene (original description)
Antennaria aprica Greene accepted as Antennaria parvifolia Nutt. (original description)
Antennaria arnoglossa Greene accepted as Antennaria parlinii subsp. parlinii Fernald (original description)
Antennaria arnoglossa var. ambigens Greene accepted as Antennaria parlinii subsp. fallax (Greene) R.J.Bayer & Stebbins (original description)
Antennaria calophylla Greene accepted as Antennaria parlinii subsp. fallax (Greene) R.J.Bayer & Stebbins (original description)
Antennaria canadensis Greene accepted as Antennaria howellii subsp. canadensis (Greene) R.J.Bayer (original description)
Antennaria decipiens Greene accepted as Antennaria plantaginifolia (L.) Richardson (original description)
Antennaria exilis Greene accepted as Antennaria monocephala subsp. monocephala DC. (original description)
Antennaria fallax Greene accepted as Antennaria parlinii subsp. fallax (Greene) R.J.Bayer & Stebbins (original description)
Antennaria farwellii Greene accepted as Antennaria parlinii subsp. fallax (Greene) R.J.Bayer & Stebbins (original description)
Antennaria foliacea Greene (original description)
Antennaria glabrata (J.Vahl) Greene (original description)
Antennaria howellii Greene (original description)
Antennaria insularis Greene accepted as Antennaria dioica (L.) Gaertn. (original description)
Antennaria lanata (Hook.) Greene (original description)
Antennaria macounii Greene (original description)
Antennaria marginata Greene (original description)
Antennaria media Greene (original description)
Antennaria monocephala (Torr. & A.Gray) Greene accepted as Antennaria solitaria Rydb. (original description)
Antennaria neglecta Greene (original description)
Antennaria neodioica Greene accepted as Antennaria howellii subsp. neodioica (Greene) R.J.Bayer (original description)
Antennaria nitida Greene (original description)
Antennaria occidentalis Greene accepted as Antennaria parlinii subsp. fallax (Greene) R.J.Bayer & Stebbins (original description)
Antennaria parvifolia var. rosea (D.C.Eaton) Greene accepted as Antennaria dioica (L.) Gaertn. (original description)
Antennaria pedicellata Greene accepted as Antennaria howellii subsp. petaloidea (Fernald) R.J.Bayer (original description)
Antennaria petasites Greene accepted as Antennaria racemosa Hook. (original description)
Antennaria pulcherrima (Hook.) Greene (original description)
Antennaria pulvinata Greene accepted as Antennaria rosea subsp. pulvinata (Greene) R.J.Bayer (original description)
Antennaria recurva Greene (original description)
Antennaria rosea (D.C.Eaton) Greene (original description)
Antennaria suffrutescens Greene (original description)
Arnica denudata Greene (original description)
Arnica denudata var. canescens Greene (original description)
Arnica sonnei Greene accepted as Arnica parryi A.Gray (original description)
Arnica spathulata Greene (original description)
Arnica subplumosa Greene accepted as Arnica mollis Hook. (original description)
Aster boltoniae Greene accepted as Psilactis asteroides A.Gray (original description)
Aster oxyphyllus Greene (original description)
Aster wilsonii Greene (original description)
Blepharipappus neomexicanus (A.Gray) Greene accepted as Layia glandulosa (Hook.) Hook. & Arn. (original description)
Blepharipappus nudatus Greene accepted as Layia glandulosa (Hook.) Hook. & Arn. (original description)
Carduus nevadensis Greene (original description)
Centromadia perennis Greene (original description)
Chaenactis floribunda Greene accepted as Chaenactis xantiana A.Gray (original description)
Chrysopsis camporum Greene accepted as Heterotheca camporum var. camporum (Greene) Shinners (original description)
Chrysopsis fastigiata Greene accepted as Heterotheca fastigiata (Greene) V.L.Harms (original description)
Chrysopsis floribunda Greene accepted as Heterotheca villosa var. minor (Hook.) Semple (original description)
Chrysopsis hirsuta Greene accepted as Heterotheca villosa var. minor (Hook.) Semple (original description)
Chrysopsis nivea (S.Watson) Greene accepted as Tomentaurum niveum (S.Watson) G.L.Nesom (original description)
Chrysothamnus collinus Greene accepted as Ericameria nauseosa (Pall. ex Pursh) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus humilis Greene (original description)
Chrysothamnus linifolius Greene accepted as Lorandersonia linifolia (Greene) Urbatsch, R.P.Roberts & Neubig (original description)
Crepis grandifolia Greene accepted as Crepis occidentalis subsp. costata (A.Gray) Babc. & Stebbins (original description)
Crepis lancifolia Greene (original description)
Crepis platyphylla Greene accepted as Crepis runcinata subsp. hispidulosa (Howell ex Rydb.) Babc. & Stebbins (original description)
Crepis runcinata var. ciliosa Greene accepted as Crepis runcinata (E.James) Torr. & A.Gray (original description)
Crepis subcarnosa Greene accepted as Crepis runcinata subsp. andersonii (A.Gray) Babc. & Stebbins (original description)
Doellingeria infirma (Michx.) Greene (original description)
Doellingeria reticulata (Pursh) Greene accepted as Oclemena reticulata (Pursh) G.L.Nesom (original description)
Erechtites polypodioides Greene accepted as Senecio polypodioides Greene (original description)
Erigeron blochmanae Greene (original description)
Erigeron cervinus Greene (original description)
Erigeron consobrinus Greene (original description)
Erigeron drummondii Greene (original description)
Erigeron elatior (A.Gray) Greene (original description)
Erigeron elatus (Hook.) Greene (original description)
Erigeron elatus var. bakeri Greene accepted as Erigeron nivalis Nutt. (original description)
Erigeron eximius Greene (original description)
Erigeron jucundus Greene accepted as Erigeron nivalis Nutt. (original description)
Erigeron kindbergii Greene accepted as Erigeron lonchophyllus Hook. (original description)
Erigeron macounii Greene accepted as Erigeron radicatus Hook. (original description)
Erigeron membranaceus Greene accepted as Erigeron peregrinus (Banks ex Pursh) Greene (original description)
Erigeron microlonchus Greene accepted as Erigeron eatonii A.Gray (original description)
Erigeron nelsonii Greene accepted as Erigeron acris L. (original description)
Erigeron peregrinus (Banks ex Pursh) Greene (original description)
Erigeron peregrinus var. dawsonii Greene accepted as Erigeron peregrinus var. peregrinus (Banks ex Pursh) Greene (original description)
Erigeron plantagineus Greene accepted as Erigeron eatonii var. plantagineus (Greene) Cronquist (original description)
Erigeron robertianus Greene accepted as Erigeron eatonii var. plantagineus (Greene) Cronquist (original description)
Erigeron tenuissimus Greene accepted as Erigeron foliosus var. foliosus Nutt. (original description)
Eriophyllum ternatum Greene accepted as Eriophyllum lanatum var. achillioides (DC.) Jeps. (original description)
Eucephalus covillei Greene accepted as Eucephalus ledophyllus var. covillei (Greene) G.L.Nesom (original description)
Eucephalus engelmannii (D.C.Eaton) Greene (original description)
Eucephalus glabratus (Greene) Greene (original description)
Eucephalus glaucescens (A.Gray) Greene (original description)
Eucephalus ledophyllus (A.Gray) Greene (original description)
Eucephalus nemoralis (dryand ex Aiton) Greene accepted as Oclemena nemoralis (Aiton) Greene (original description)
Eucephalus nemoralis Sol. ex Aiton (original description)
Eucephalus paucicapitatus (B.L.Rob.) Greene (original description)
Eucephalus serrulatus Greene accepted as Eucephalus glaucescens (A.Gray) Greene (original description)
Eucephalus tomentellus (Greene) Greene (original description)
Eupatorium koelliifolium Greene (original description)
Eupatorium lecheifolium Greene accepted as Eupatorium hyssopifolium var. hyssopifolium L. (original description)
Grindelia decumbens Greene (original description)
Grindelia fastigiata Greene accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia inornata Greene accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia macrophylla Greene accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia platylepis Greene accepted as Grindelia subalpina Greene (original description)
Grindelia subalpina Greene (original description)