Spermacoce hirta L. Spermacoce hirta L., Sp. Pl. (ed. 2) 1: 148. 1762 sec. Villaseñor & al. 2010=Spermacoce diffusa Willd. ex Roem. & Schult., Syst. Veg. (ed. 15 bis) 3: 531. 1818 syn. sec. Villaseñor & al. 2010