Bidens sweetiana Banfi, Galasso & Bartolucci, nom. nov.

Bas.: Coreopsis grandiflora Hogg ex Sweet, Brit. Fl. Gard. [Sweet], 2: pl. 175. 1827 [1 Jun 1825 - Apr 1827]., non Bidens grandiflora Balb., Cat. Pl. (Balbis), 1812: 19 . 1812.

Etymology: dedicated to Robert Sweet (1783-1835) who validated the name proposed by Thomas Hogg (1777-1855) for this species.