Agave convallis Trel. Agave convallis Trel. in Contr. U.S. Natl. Herb. 23: 138. 1920 sec. García-Mendoza 2011=Agave dissimulans Trel. in Contr. U.S. Natl. Herb. 23: 138-139. 1920 syn. sec. García-Mendoza 2011