Arceuthobium nigrum (Hawksw. & Wiens) Hawksw. & Wiens Arceuthobium nigrum (Hawksw. & Wiens) Hawksw. & Wiens, Phytologia 66: 9. 1989 sec. Alvarado-Cárdenas 2010≡Arceuthobium gillii subsp. nigrum Hawksw. & Wiens, Brittonia 17: 223. 1965 syn. sec. Alvarado-Cárdenas 2010