Amaranthus torreyi (A. Gray) Benth. ex S. Watson Amaranthus torreyi (A. Gray) Benth. ex S. Watson, Bot. California 2: 42. 1880 sec. Bayón 2015=Amaranthus pringlei S. Watson in Proc. Amer. Acad. Arts 22(2): 476. 1887 syn. sec. Bayón 2015