Cuscuta ceratophora Yunck., Illinois Biol. Monogr. 6, nos. 2-3: 28, fig. 29, 72. 1921 = Cuscuta boldinghii Urban From isotype at GH: Mexico, States of Michoacan and Guerrero, La Correa, 50 m, 8 Oct 1898, E. Langlassé 438