Aster glaucescens (A.Gray) S.F.Blake accepted as Eucephalus glaucescens (A.Gray) Greene (original description)
Aster gormanii (Piper) S.F.Blake accepted as Eucephalus gormanii Piper (original description)
Aster lateriflorus var. angustifolius Wiegand accepted as Symphyotrichum lateriflorum var. angustifolium (Wiegand) G.L.Nesom (original description)
Aster lateriflorus var. tenuipes Wiegand accepted as Symphyotrichum lateriflorum var. tenuipes (Wiegand) G.L.Nesom (original description)
Aster multiflorus var. caeruleus Benke accepted as Symphyotrichum ericoides (L.) G.L.Nesom (original description)
Aster multiflorus var. columbianus S.F.Blake (original description)
Aster multiflorus var. pansus S.F.Blake accepted as Symphyotrichum ericoides (L.) G.L.Nesom (original description)
Aster ontariensis Wiegand accepted as Symphyotrichum ontarionis (Wiegand) G.L.Nesom (original description)
Aster ontarionis Wiegand accepted as Symphyotrichum ontarionis (Wiegand) G.L.Nesom (original description)
Aster spectabilis var. cinerascens S.F.Blake (original description)
Aster vialis (Bradshaw) S.F.Blake accepted as Eucephalus vialis Bradshaw (original description)
Bidens connata var. ambiversa Fassett accepted as Bidens connata Muhl. ex Willd. (original description)
Bidens connata var. typica Fassett accepted as Bidens connata Muhl. ex Willd. (original description)
Heterotheca subaxillaris var. petiolaris Benke accepted as Heterotheca subaxillaris subsp. latifolia (Buckley) Semple (original description)
Senecio indecorus f. burkei (Greenm.) Fernald (original description)
Senecio obovatus f. elongatus (Pursh) Fernald (original description)
Senecio pauperculus f. inchoatus Fernald (original description)
Senecio pauperculus f. verecundus Fernald (original description)
Senecio pseudaureus f. ecoronatus Fernald (original description)
Senecio resedifolius f. columbiensis (A.Gray) Fernald (original description)
Senecio robbinsii f. invenustus Fernald (original description)