Rhynchospora trispicata (Nees) Schrad. ex Steud. Rhynchospora trispicata (Nees) Schrad. ex Steud., Syn. Pl. Glumac. 2: 145. 1855 sec. González-Elizondo & al. 2018=Ephippiorhynchium trispicatum Nees, Fl. bras. 2 parte 1: 136. 1842 syn. sec. Diego & González 2008