Agoseris alpestris (A.Gray) Greene accepted as Nothocalais alpestris (A.Gray) K.L.Chambers (original description)
Agoseris apargioides (Less.) Greene (original description)
Agoseris arizonica (Greene) Greene accepted as Agoseris aurantiaca (Hook.) Greene (original description)
Agoseris aurantiaca (Hook.) Greene (original description)
Agoseris barbellulata (Greene ex A.Gray) Greene accepted as Nothocalais alpestris (A.Gray) K.L.Chambers (original description)
Agoseris chilensis (Less.) Greene (original description)
Agoseris elata (Nutt.) Greene (original description)
Agoseris glauca Greene (original description)
Agoseris gracilenta Greene accepted as Agoseris aurantiaca (Hook.) Greene (original description)
Agoseris gracilenta var. greenei (A.Gray) Greene accepted as Agoseris aurantiaca (Hook.) Greene (original description)
Agoseris grandiflora (Nutt.) Greene (original description)
Agoseris heterophylla (Nutt.) Greene (original description)
Agoseris heterophylla var. kymapleura (Greene) Greene (original description)
Agoseris hirsuta (Hook.) Greene (original description)
Agoseris laciniata (Nutt.) Greene accepted as Agoseris elata (Nutt.) Greene (original description)
Agoseris laevigata (Fisch. & C.A.Mey.) Greene (original description)
Agoseris major Jeps. ex Greene accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Agoseris marshallii (Greene) Greene accepted as Agoseris grandiflora (Nutt.) Greene (original description)
Agoseris parviflora (Nutt.) Greene accepted as Agoseris parviflora (Nutt.) D.Dietr. (original description)
Agoseris plebeia (Greene) Greene accepted as Agoseris grandiflora (Nutt.) Greene (original description)
Agoseris poeppigii (DC.) Greene accepted as Agoseris coronopifolia (d'Urv.) K.L.Chambers (original description)
Agoseris purpurea (A.Gray) Greene accepted as Agoseris aurantiaca (Hook.) Greene (original description)
Agoseris retrorsa (Benth.) Greene (original description)
Agoseris rosea (Nutt.) Greene accepted as Agoseris parviflora (Nutt.) D.Dietr. (original description)
Agoseris scorzonerifolia (Schrad.) Greene accepted as Agoseris glauca (Pursh) Raf. (original description)
Aster brickellioides Greene accepted as Eucephalus tomentellus (Greene) Greene (original description)
Aster brickellioides var. glabratus Greene accepted as Eucephalus glabratus (Greene) Greene (original description)
Aster elmeri Greene accepted as Erigeron elmeri (Greene) Greene (original description)
Biolettia Greene accepted as Trichocoronis A.Gray (original description)
Blepharipappus carnosus (Nutt.) Greene accepted as Layia carnosa (Nutt.) Torr. & A.Gray (original description)
Blepharipappus chrysanthemoides (DC.) Greene accepted as Layia chrysanthemoides (DC.) A.Gray (original description)
Blepharipappus douglasii (Hook. & Arn.) Greene accepted as Layia chrysanthemoides (DC.) A.Gray (original description)
Blepharipappus elegans (Nutt.) Greene accepted as Layia platyglossa (Fisch. & C.A.Mey.) A.Gray (original description)
Blepharipappus fremontii Greene (original description)
Blepharipappus gaillardioides (Hook. & Arn.) Greene accepted as Layia gaillardioides (Hook. & Arn.) DC. (original description)
Blepharipappus graveolens (Greene) Greene accepted as Layia heterotricha (DC.) Hook. & Arn. (original description)
Blepharipappus heterotrichus (DC.) Greene accepted as Layia heterotricha (DC.) Hook. & Arn. (original description)
Blepharipappus hieracioides (DC.) Greene accepted as Layia hieracioides (DC.) Hook. & Arn. (original description)
Blepharipappus hispidus (Greene) Greene accepted as Layia glandulosa (Hook.) Hook. & Arn. (original description)
Blepharipappus jonesii (A.Gray) Greene accepted as Layia jonesii A.Gray (original description)
Blepharipappus nutans (Greene) Greene accepted as Harmonia nutans (Greene) B.G.Baldwin (original description)
Blepharipappus oreganus Greene accepted as Layia glandulosa (Hook.) Hook. & Arn. (original description)
Blepharipappus pentachaetus (A.Gray) Greene accepted as Layia pentachaeta A.Gray (original description)
Blepharipappus platyglossus (Fisch. & C.A.Mey.) Greene accepted as Layia platyglossa (Fisch. & C.A.Mey.) A.Gray (original description)
Brickellia rhomboidea Greene (original description)
Callichroa jonesii (A.Gray) Greene accepted as Layia jonesii A.Gray (original description)
Callichroa nutans Greene accepted as Harmonia nutans (Greene) B.G.Baldwin (original description)
Ereminula Greene accepted as Dimeresia A.Gray (original description)
Ereminula howellii (A.Gray) Greene accepted as Dimeresia howellii A.Gray (original description)
Erigeron aureus Greene (original description)
Erigeron chihuahuanus Greene (original description)
Erigeron coronarius Greene (original description)
Erigeron elegans Greene (original description)
Erigeron forreri (Greene) Greene (original description)
Erigeron fraternus Greene (original description)
Erigeron galeottii (A.Gray) Greene (original description)
Erigeron hyperboreus Greene (original description)
Erigeron leptophyllus Greene (original description)
Erigeron multiceps Greene (original description)
Erigeron seemannii Greene (original description)
Erigeron stolonifer Greene accepted as Lachnophyllum noeanum Boiss. (original description)
Erigeron strigulosus Greene (original description)
Erigeron turneri Greene (original description)
Erigeron wislizeni (A.Gray) Greene (original description)
Eriophyllum jepsonii Greene (original description)
Eriophyllum tanacetiflorum Greene accepted as Eriophyllum confertiflorum var. tanacetiflorum (Greene) Jeps. (original description)
Grindelia hendersonii Greene accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia lanata Greene (original description)
Grindelia patens Greene accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia robusta var. platyphylla Greene accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia rubricaulis var. maritima Greene accepted as Grindelia hirsutula Hook. & Arn. (original description)
Haplopappus cruentus Greene (original description)
Layia hispida Greene accepted as Layia glandulosa (Hook.) Hook. & Arn. (original description)
Madia corymbosa Lindl. ex Greene (original description)
Madia hispida (DC.) Greene accepted as Madia elegans D.Don (original description)
Nemoseris Greene accepted as Rafinesquia Nutt. (original description)
Nemoseris californica (Nutt.) Greene accepted as Rafinesquia californica Nutt. (original description)
Nemoseris neomexicana (A.Gray) Greene accepted as Rafinesquia neomexicana A.Gray (original description)
Petasites nivalis Greene accepted as Petasites frigidus var. frigidus (L.) Fr. (original description)
Prenanthes stricta Greene (original description)
Psacalium strictum (Greene) Greene accepted as Prenanthes stricta Greene (original description)
Psilostrophe cooperi (A.Gray) Greene (original description)
Psilostrophe tagetina (Nutt.) Greene (original description)
Psilostrophe tagetina var. sparsiflora (A.Gray) Greene accepted as Psilostrophe sparsiflora (A.Gray) A.Nelson (original description)
Ptiloria canescens Greene accepted as Stephanomeria virgata Benth. (original description)
Ptiloria cichoriacea (A.Gray) Greene accepted as Stephanomeria cichoriacea A.Gray (original description)
Ptiloria coronaria (Greene) Greene accepted as Stephanomeria exigua subsp. coronaria (Greene) Gottlieb (original description)
Ptiloria exigua (Nutt.) Greene accepted as Stephanomeria exigua Nutt. (original description)
Ptiloria lactucina (A.Gray) Greene accepted as Stephanomeria lactucina A.Gray (original description)
Ptiloria myrioclada (D.C.Eaton) Greene accepted as Stephanomeria tenuifolia (Raf.) H.M.Hall (original description)
Ptiloria paniculata (Nutt.) Greene accepted as Stephanomeria paniculata Nutt. (original description)
Ptiloria pentachaeta (D.C.Eaton) Greene accepted as Stephanomeria exigua subsp. exigua Nutt. (original description)
Ptiloria pleurocarpa Greene accepted as Stephanomeria virgata subsp. pleurocarpa (Greene) Gottlieb (original description)
Ptiloria schottii (A.Gray) Greene accepted as Stephanomeria exigua subsp. exigua Nutt. (original description)
Ptiloria thurberi (A.Gray) Greene accepted as Stephanomeria thurberi A.Gray (original description)
Ptiloria tomentosa (Greene) Greene accepted as Stephanomeria virgata subsp. virgata Benth. (original description)
Ptiloria virgata (Benth.) Greene accepted as Stephanomeria virgata Benth. (original description)
Ptiloria wrightii (A.Gray) Greene accepted as Stephanomeria tenuifolia (Raf.) H.M.Hall (original description)
Scorzonella borealis (Bong.) Greene accepted as Microseris borealis (Bong.) Sch.Bip. (original description)
Senecio franciscanus Greene accepted as Packera franciscana (Greene) W.A.Weber & Á.Löve (original description)