Amellus carolinianus Walter accepted as Eclipta prostrata (L.) L. (original description)
Anthemis repens Walter accepted as Acmella repens (Walter) Rich. ex Pers. (original description)
Arctotis caroliniana Walter (original description)
Aster carolinianus Walter accepted as Ampelaster carolinianus (Walter) G.L.Nesom (original description)
Aster ciliatus Walter (original description)
Aster squarrosus Walter accepted as Symphyotrichum walteri (Alexander) G.L.Nesom (original description)
Aster tripolium Walter (original description)
Athanasia graminifolia Walter accepted as Marshallia graminifolia (Walter) Small (original description)
Athanasia hastata Walter accepted as Melanthera nivea (L.) Small (original description)
Athanasia obovata Walter accepted as Marshallia obovata (Walter) Beadle & F.E.Boynton (original description)
Athanasia paniculata Walter accepted as Verbesina walteri Shinners (original description)
Athanasia trinervia Walter accepted as Marshallia trinervia (Walter) Trel. (original description)
Baccharis viscosa Walter accepted as Pluchea baccharis (Mill.) Pruski (original description)
Cacalia ovata Walter accepted as Arnoglossum ovatum (Walter) H.Rob. (original description)
Calea caroliniana Walter (original description)
Carduus carolinianus Walter accepted as Cirsium carolinianum (Walter) Fernald & B.G.Schub. (original description)
Carduus spinosissimus Walter accepted as Cirsium horridulum var. horridulum Michx. (original description)
Carduus virginianus Walter (original description)
Carthamus carolinianus Walter accepted as Cirsium carolinianum (Walter) Fernald & B.G.Schub. (original description)
Chrysanthemum carolinianum Walter accepted as Boltonia caroliniana (Walter) Fernald (original description)
Chrysocoma acaulis Walter accepted as Vernonia acaulis Walt. (original description)
Chrysocoma gigantea Walter accepted as Vernonia gigantea (Walt.) trelease ex Branner & Coville (original description)
Chrysocoma graminifolia Walter accepted as Vernonia angustifolia Michx. (original description)
Chrysocoma tomentosa Walter accepted as Vernonia noveboracensis (L.) Michx. (original description)
Cineraria canadensis Walter (original description)
Cineraria carolinensis Walter (original description)
Coreopsis bidens Walter (original description)
Coreopsis gladiata Walter (original description)
Coreopsis major Walter (original description)
Coreopsis perfoliata Walter accepted as Bidens laevis (L.) Britton, Sterns & Poggenb. (original description)
Doronicum acaule Walter accepted as Arnica acaulis (Walter) Britton, Sterns & Poggenb. (original description)
Doronicum laevifolium Walter accepted as Erigeron vernus (L.) Torr. & A.Gray (original description)
Doronicum ramosum Walter (original description)
Erigeron cymosus Walter (original description)
Erigeron pilosus Walter accepted as Chrysopsis gossypina subsp. gossypina (Michx.) Elliot (original description)
Erigeron squarrosus Walter accepted as Chrysopsis gossypina (Michx.) Elliott (original description)
Ethulia uniflora Walter accepted as Sclerolepis uniflora (Walter) Britton, Sterns & Poggenb. (original description)
Eupatorium compositifolium Walter (original description)
Eupatorium cordatum Walter accepted as Ageratina aromatica (L.) Spach (original description)
Eupatorium foeniculoides Walter accepted as Eupatorium capillifolium (Lam.) Small ex Porter & Britton (original description)
Eupatorium fuscorubrum Walter accepted as Eupatorium purpureum L. (original description)
Eupatorium incarnatum Walter accepted as Fleischmannia incarnata (Walter) R.M.King & H.Rob. (original description)
Eupatorium linearifolium Walter accepted as Eupatorium cuneifolium Willd. (original description)
Eupatorium marrubium Walter accepted as Eupatorium rotundifolium L. (original description)
Eupatorium odoratum Walter accepted as Ageratina altissima (L.) R.M.King & H.Rob. (original description)
Eupatorium pilosum Walter (original description)
Gnaphalium hyemale Walter accepted as Gamochaeta purpurea (L.) Cabrera (original description)
Gnaphalium undulatum Walter accepted as Pterocaulon pycnostachyum (Michx.) Elliott (original description)
Helenium aestivale Walter accepted as Gaillardia aestivalis (Walter) H.Rock (original description)
Helenium serotinum Walter (original description)
Helenium vernale Walter (original description)
Helianthus laevis Walter (original description)
Hyoseris biflora Walter accepted as Krigia biflora (Walter) S.F.Blake (original description)
Hyoseris caroliniana Walter accepted as Krigia virginica (L.) Willd. (original description)
Hyoseris major Walter accepted as Krigia dandelion (L.) Nutt. (original description)
Iva imbricata Walter (original description)
Iva monophylla Walter accepted as Ambrosia artemisiifolia L. (original description)
Lactuca caroliniana Walter (original description)
Leontodon carolinianus Walter accepted as Pyrrhopappus carolinianus (Walter) DC. (original description)
Leysera caroliniana Walter (original description)
Perdicium semiflosculare Walter accepted as Perdicium capense L. (original description)
Prenanthes alba Walter (original description)
Prenanthes autumnalis Walter (original description)
Pteronia caroliniana Walter (original description)
Senecio ciliatus Walter accepted as Erigeron canadensis L. (original description)
Senecio tussilaginoides Walter (original description)
Silphium laciniatum Walter (original description)
Silphium scabrum Walter (original description)
Solidago pilosa Walter (original description)
Sonchus carolinianus Walter accepted as Sonchus asper (L.) Hill (original description)
Staehelina elegans Walter accepted as Liatris elegans (Walter) Michx. (original description)
Verbesina laciniata Walter accepted as Verbesina virginica L. (original description)
Verbesina occidentalis (L.) Walter (original description)
Xanthium americanum Walter accepted as Xanthium strumarium L. (original description)