Cuscuta macvaughii Yunck., Brittonia 12: 40. 1960 TYPE: From isotype at NY: Mexico, Michoacán de Ocampo, in pasture one mile W of San Juan, elevation 275 m; locally abundant; plant erect, orange; flowers cream color, 17 Sep 1958, McVaugh 17970 (Holotype is at MICH).