Anthemis nigricans Hort. ex G.Don accepted as Cota triumfetti (L.) J.Gay (original description)
Aphelexis heterophylla G.Don accepted as Helipterum heterophyllum DC. (original description)
Aphelexis incana G.Don accepted as Leucochrysum albicans (A.Cunn.) Paul G.Wilson (original description)
Astelma spirale G.Don (original description)
Astelma virgatum G.Don accepted as Helipterum virgatum (Willd.) DC. (original description)
Bidens incisa (Ker Gawl.) G.Don (original description)
Centrocarpha chrysomela (Michx.) G.Don (original description)
Centrocarpha fulgida (Aiton) D.Don ex G.Don (original description)
Centrocarpha gracilis (Nutt.) D.Don ex G.Don (original description)
Centrocarpha hirta (L.) D.Don ex G.Don (original description)
Centrocarpha radula (Pursh) D.Don ex G.Don accepted as Helianthus radula (Pursh) Torr. & A.Gray (original description)
Centrocarpha spathulata (Michx.) D.Don ex G.Don accepted as Rudbeckia fulgida var. spathulata (Michx.) Perdue (original description)
Cladanthus canescens Sweet (original description)
Conyza hubertii Boj. ex Sweet (original description)
Conyza mauritiana Boj. ex Sweet (original description)
Dahlia astrantiiflora G.Don (original description)
Emilia coccinea (Sims) G.Don (original description)
Ferdinanda integrifolia G.Don accepted as Zaluzania angusta (Lag.) Sch.Bip. (original description)
Hapalostephium alpestre Sweet (original description)
Hapalostephium croaticum Sweet (original description)
Hapalostephium hieracioides Sweet accepted as Crepis mollis subsp. succisifolia (All.) Dostál (original description)
Harpalyce D.Don (original description)
Harpalyce rubicunda D.Don (original description)
Kalimeris cassiarabica G.Don (original description)
Lactuca ambigua Hort. ex G.Don (original description)
Ligularia caucasica (M. Bieb.) G.Don accepted as Dolichorrhiza caucasica (M.Bieb.) Galushko (original description)
Lipochaeta tagetiflora G.Don (original description)
Lorentia Sweet (original description)
Mulgedium pulchellum (Pursh) G.Don accepted as Lactuca tatarica (L.) C.A.Mey. (original description)
Pluchea carolinensis (Jacq.) G.Don (original description)
Pterocladis Lamb. ex G.Don (original description)
Pterocladis genistelloides Lamb. ex G.Don (original description)
Saussurea gmelinii G.Don (original description)
Senecio aitonianus G.Don (original description)
Senecio medius G.Don (original description)
Senecio thyrsoideus (DC.) G.Don accepted as Senecio barbatus DC. (original description)
Sonchus dulosus Fisch. & C.A.Mey. ex Sweet (original description)
Sonchus setosus Ehrenb. ex Sweet (original description)