Maclura tinctoria (L.) D. Don ex Steud. subsp. tinctoria Maclura tinctoria (L.) D. Don ex Steud. subsp. tinctoria, Nomencl. Bot. (ed. 2) 2: 87. 1841 sec. Ibarra 2008=Maclura affinis Miq., Fl. Bras. 4(1): 155, t. 52. 1853 syn. sec. The Plant List 2013