Phaseolus grayanus Wooton & Standl. in Contr. U.S. Natl. Herb. 16(4): 139-140. 1913 sec. Freytag & Debouck 2002
- =Phaseolus foliaceus Piper in Contr. U.S. Natl. Herb. 22: 689-690. 1926 syn. sec. Téllez-Valdés 2009
- =Phaseolus palmeri Piper in Contr. U.S. Natl. Herb. 22: 691. 1926 syn. sec. ???
- =Phaseolus wrightii var. grayanus (Wooton & Standl.) Kearney & Peebles in J. Wash. Acad. Sci. 29: 485. 1939 syn. sec. Téllez-Valdés 2009
- =Phaseolus pyramidalis Freytag in Sida Bot. Misc. 23: 247. 2002 syn. sec. ???