Cuscuta chapalana Yunck., Illinois Biol. Monogr. 6(2–3): 28. 1921 [morphotype with long corolla tube] Herbarium voucher: Mexico, Michoacan, Mpio. Tlajomulco: between Potrerillos and Trojes, SE face of Cerro Viejo, 20º20'29.3''N 103º 21''6.3''W, 1785 m, 19 Dec 2007, GarcÃa Ruiz, Costea & Welsh. 8064 (CIMI, WLU).