Artemisia thuscula Cav. (original description)
Buphthalmum imbricatum Cav. accepted as Asteriscus imbricatus (Cav.) DC. (original description)
Carlina salicifolia (L.f.) Cav. (original description)
Centaurea setosa Cav. (original description)
Centaurea simplex Cav. accepted as Centaurea africana Lam. accepted as Rhaponticoides africana (Lam.) M.V.Agab. & Greuter (original description)
Conyza calycina Cav. accepted as Phagnalon calycinum (Cav.) DC. (original description)
Erigeron diversifolius Cav. accepted as Erigeron gouanii L. (original description)
Erigeron linearifolius Cav. accepted as Erigeron bonariensis L. (original description)
Sonchus pinnatifidus Cav. (original description)