Calais sect. Calocalais DC. accepted as Uropappus Nutt. (original description)
Chabraea lithospermifolia Poepp. (original description)
Hieracium glabrum Turcz. ex DC. accepted as Taraxacum glabrum DC. (original description)
Hieracium hirsutum Bernh. ex Froel. (original description)
Homoianthus cubaetensis (Less.) Less. ex DC. (original description)
Hypochaeris glabra var. capensis DC. (original description)
Hypochaeris glabra var. hirsuta DC. (original description)
Mutisia ilicifolia var. truncata DC. accepted as Mutisia spinosa Ruiz & Pav. (original description)
Panargyrum lagascae DC. accepted as Nassauvia darwinii (Hook. & Arn.) O.Hoffm. & Dusén (original description)
Perdicium cordatum Moc. ex DC. accepted as Acourtia hebeclada DC. (original description)
Scorzonera astrachiana DC. accepted as Takhtajaniantha pusilla (Pall.) Nazarova (original description)
Scorzonera humilis var. linearifolia DC. accepted as Scorzonera austriaca Willd. (original description)
Taraxacum erythrospermum var. bessarabicum (Hornem.) DC. accepted as Taraxacum bessarabicum (Hornem.) Hand.-Mazz. (original description)
Taraxacum stevenii var. sinuatum DC. accepted as Taraxacum ceratophorum (Ledeb.) DC. (original description)
Trixis divaricata var. auriculata (Hook.) DC. accepted as Trixis antimenorrhoea (Schrank) Kuntze (original description)