Achillea squarrosa Ait. (original description)
Andryala pinnatifida Ait. (original description)
Arctotis argentea Aiton accepted as Arctotis linearis Thunb. (original description)
Aster aestivus Dryand. (original description)
Aster corymbosus Sol. ex Aiton accepted as Eurybia divaricata (L.) G.L.Nesom (original description)
Aster diffusus Aiton accepted as Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve (original description)
Aster divergens Dryand. (original description)
Aster foliolosus Dryand. ex Aiton accepted as Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve (original description)
Aster miser L. (original description)
Aster multiflorus Dryand. (original description)
Aster multiflorus Dryand. ex Aiton accepted as Symphyotrichum ericoides (L.) G.L.Nesom (original description)
Aster mutabilis L. (original description)
Aster paludosus Sol. ex Aiton accepted as Eurybia paludosa (Sol. ex Aiton) G.L.Nesom (original description)
Aster paludosus Dryand. (original description)
Aster paniculatus Dryand. (original description)
Aster patens Dryand. (original description)
Aster pendulus Dryand. (original description)
Aster pendulus Aiton (original description)
Aster radula Dryand. (original description)
Aster radula Sol. ex Aiton accepted as Eurybia radula (Sol. ex Aiton) G.L.Nesom (original description)
Aster spectabilis Sol. ex Aiton accepted as Eurybia spectabilis (Sol. ex Aiton) G.L.Nesom (original description)
Aster spectabilis Dryand. (original description)
Calendula rigida Dryand. (original description)
Carduus paniculatus Ait. (original description)
Carduus rigens Dryand. (original description)
Centaurea aurea Dryand. (original description)
Centaurea diluta Aiton (original description)
Conyza incisa Dryand. (original description)
Conyza inuloides Dryand. (original description)
Conyza patula Ait. accepted as Cyanthillium patulum (Ait.) H.Rob. (original description)
Conyza rugosa Dryand. (original description)
Conyza sericea Sol. (original description)
Coreopsis angustifolia Dryand. (original description)
Coreopsis aurea Aiton (original description)
Coreopsis crassifolia Dryand. (original description)
Coreopsis procera Dryand. (original description)
Crepis rigens Dryand. ex Aiton accepted as Leontodon rigens Paiva & Ormonde (original description)
Crepis succulenta Dryand. (original description)
Cynara horrida Ait. (original description)
Didelta carnosa Ait. (original description)
Didelta spinosa Ait. (original description)
Erigeron purpureus Ait. (original description)
Gorteria echinata Dryand. accepted as Cuspidia cernua subsp. cernua (L.f.) B.L.Burtt (original description)
Helenium pubescens Aiton (original description)
Hieracium undulatum Ait. (original description)
Hyoseris pygsaea Ait. (original description)
Inula viscosa (L.) Aiton accepted as Dittrichia viscosa (L.) Greuter (original description)
Onopordum deltoides Aiton accepted as Synurus deltoides (Aiton) Nakai (original description)
Osteospermum rigidum Dryand. (original description)
Othonna denticulata Dryand. (original description)
Pallasia halimifolia L'Hér. ex Ait. (original description)
Pteronia stricta Ait. (original description)
Rudbeckia fulgida Aiton (original description)
Senecio asper Ait. (original description)
Senecio cinerascens Ait. (original description)
Senecio coriaceus Ait. (original description)
Senecio erubescens Ait. (original description)
Senecio lanceus Ait. (original description)
Senecio venustus Ait. (original description)
Serratula elegans Ait. (original description)
Serratula pilosa Ait. (original description)
Serratula speciosa Ait. (original description)
Solidago altissima Ait. (original description)
Solidago ambigua Ait. (original description)
Solidago arguta Ait. (original description)
Solidago aspera Ait. (original description)
Solidago elliptica Ait. (original description)
Solidago elliptica Aiton accepted as Solidago latissimifolia Mill. (original description)
Solidago gigantea Aiton (original description)
Solidago juncea Ait. (original description)
Solidago laevigata Ait. (original description)
Solidago lateriflora Ait. (original description)
Solidago multiradiata Ait. (original description)
Solidago nemoralis Ait. (original description)
Solidago odora Ait. (original description)
Solidago odora Aiton (original description)
Solidago petiolaris Ait. (original description)
Solidago procera Ait. (original description)
Solidago reflexa Ait. (original description)
Solidago serotina Ait. (original description)
Solidago serotina Aiton accepted as Solidago gigantea Aiton (original description)
Solidago stricta Ait. (original description)
Solidago stricta Aiton (original description)
Solidago viminea Ait. (original description)
Sonchus floridanus Ait. (original description)
Sonchus pinnatus Ait. (original description)
Sonchus radicatus Ait. (original description)
Tussilago palmata Aiton accepted as Petasites frigidus var. palmatus (Aiton) Cronquist (original description)
Tussilago palmata Ait. (original description)