Nardosmia frigida (L.) Hook., Fl. Bor.-Amer. 1: 307. 1833
Nardosmia frigida, Fl. Bor.-Amer. 1: 307. 1833
is new combination for Tussilago frigida, Sp. Pl.: 865. 1753
Nardosmia frigida, Fl. Bor.-Amer. 1: 307. 1833
Nardosmia frigida, Fl. Bor.-Amer. 1: 307. 1833
Taxon for this name