Clethra rosei Britton Clethra rosei Britton, N. Amer. Fl. 29(1): 6. 1914 sec. Ulloa Ulloa & al. 2018=Clethra confusa Briq. in Annuaire Conserv. Jard. Bot. Genève 20: 372. 1919 syn. sec. The Plant List 2013