Agoseris intermedia Greene accepted as Agoseris grandiflora (Nutt.) Greene (original description)
Blepharipappus hieracioides f. anomala Bioletti accepted as Layia hieracioides (DC.) Hook. & Arn. (original description)
Bourdonia Greene accepted as Chaetopappa DC. (original description)
Bourdonia bellidifolia (A.Gray & Engelm.) Greene accepted as Chaetopappa bellidifolia (A.Gray & Engelm. ex A.Gray & Engelm.) Shinners (original description)
Bourdonia effusa (A.Gray) Greene accepted as Chaetopappa effusa (A.Gray) Shinners (original description)
Coleosanthus knappianus Greene accepted as Brickellia knappiana Drew (original description)
Erigeron heleniastrum Greene (original description)
Eriophyllum speciosum Greene accepted as Eriophyllum lanatum var. grandiflorum (A.Gray) Jeps. (original description)
Gnaphalium bicolor Bioletti accepted as Pseudognaphalium biolettii Anderb. (original description)
Helianthella aldersonii Greene (original description)
Helianthella castanea Greene (original description)
Madia exigua (Sm.) Greene accepted as Madia exigua (Sm.) A.Gray (original description)
Microseris indivisa Greene accepted as Microseris douglasii subsp. tenella (A.Gray) K.L.Chambers (original description)
Ptiloria divaricata Greene accepted as Stephanomeria pauciflora (Torr.) A.Nelson (original description)
Scorzonella maxima Bioletti ex Greene (original description)
Scorzonella maxima Bioletti accepted as Microseris laciniata (Hook.) Sch.Bip. (original description)
Senecio blochmanae Greene (original description)
Senecio lactucinus Greene (original description)
Stokesia laevis (Hill) Greene (original description)
Uropappus clevelandii (Greene) Greene accepted as Microseris heterocarpa (Nutt.) K.L.Chambers (original description)
Uropappus kelloggii (Greene) Greene accepted as Microseris heterocarpa (Nutt.) K.L.Chambers (original description)
Uropappus leucocarpus Greene accepted as Microseris heterocarpa (Nutt.) K.L.Chambers (original description)
Uropappus macrochaetus (A.Gray) Greene accepted as Uropappus lindleyi (DC.) Nutt. (original description)