Antennaria ampla Bush accepted as Antennaria parlinii subsp. fallax (Greene) R.J.Bayer & Stebbins (original description)
Antennaria angustiarum Lunell (original description)
Aster kumleinii var. oliganthemos Lunell (original description)
Cirsium nebraskense var. formidolosum Lunell accepted as Cirsium canescens Nutt. (original description)
Conophora (DC.) Nieuwl. accepted as Arnoglossum Raf. (original description)
Conophora atriplicifolia (L.) Nieuwl. accepted as Arnoglossum atriplicifolium (L.) H.Rob. (original description)
Conophora diversifolia (Torr. & A.Gray) Nieuwl. accepted as Arnoglossum diversifolium (Torr. & A.Gray) H.Rob. (original description)
Conophora floridana (A.Gray) Nieuwl. accepted as Arnoglossum floridanum (A.Gray) H.Rob. (original description)
Conophora maxima (R.M.Harper ex Small) Nieuwl. accepted as Arnoglossum ovatum (Walter) H.Rob. (original description)
Conophora ovata (Walter) Nieuwl. accepted as Arnoglossum ovatum (Walter) H.Rob. (original description)
Conophora reniformis (Hook.) Nieuwl. accepted as Arnoglossum reniforme (Hook.) H.Rob. (original description)
Conophora similis (Small) Nieuwl. accepted as Arnoglossum atriplicifolium (L.) H.Rob. (original description)
Conophora tuberosa (Nutt.) Nieuwl. accepted as Arnoglossum plantagineum Raf. (original description)
Erigeron abruptorum Lunell (original description)
Erigeron anodontus Lunell accepted as Erigeron glabellus var. pubescens Hook. (original description)
Erigeron asper var. appressus Lunell accepted as Erigeron glabellus Nutt. (original description)
Erigeron asper var. subinteger Lunell accepted as Erigeron glabellus Nutt. (original description)
Erigeron oligodontus Lunell accepted as Erigeron glabellus var. pubescens Hook. (original description)
Erigeron oligodontus var. acuminatus (Lunell) Lunell (original description)
Erigeron oxyodontus Lunell (original description)
Erigeron procerus Lunell (original description)
Erigeron subcostatus Lunell accepted as Erigeron glabellus Nutt. (original description)
Erigeron tardus Lunell accepted as Erigeron glabellus Nutt. (original description)
Grindelia squarrosa var. quasiperennis Lunell accepted as Grindelia hirsutula Hook. & Arn. (original description)
Lacinaria scariosa var. uniflora Lunell (original description)