Coreopsis drummondii (D. Don) Torr. & A. Gray, Fl. N. Amer. 2: 345. 1842
Coreopsis drummondii, Fl. N. Amer. 2: 345. 1842
is new combination for Calliopsis drummondii in Sweet, Brit. Fl. Gard. ser. 2: Ad t. 315. 1835
Coreopsis drummondii, Fl. N. Amer. 2: 345. 1842