Populus deltoides W. Bartram ex Marschall Populus deltoides W. Bartram ex Marschall, Arbust. Amer.: 106. 1785 sec. Ulloa Ulloa & al. 2018=Populus palmeri Sarg. in Bot. Gaz. 67(3): 211. 1919 syn. sec. POWO 2019