Arnica serrata Thunb. accepted as Gerbera serrata (Thunb.) Druce (original description)
Helichrysum imbricatum Thunb. (original description)
Helichrysum speciosum Thunb. (original description)
Helichrysum squamosum (Jacq.) Thunb. accepted as Edmondia pinifolia (Lam.) Hilliard (original description)
Helichrysum variegatum (P.J.Bergius) Thunb. accepted as Syncarpha variegata (P.J.Bergius) B.Nord. (original description)
Osmites camphorina Thunb. (original description)
Osteospermum piliferum Thunb. (original description)
Pteronia elongata Thunb. (original description)
Senecio elegans Thunb. accepted as Senecio arenarius Thunb. (original description)
Senecio linifolius Thunb. (original description)
Senecio marginatus Thunb. (original description)
Tanacetum suffruticosum Thunb. (original description)