Rhynchospora kunthii Nees ex Kunth Rhynchospora kunthii Nees ex Kunth, Enum. pl. 2: 296. 1837 sec. González-Elizondo & al. 2018=Rhynchospora schaffneri Boeckeler in Linnaea 37: 575-576. 1873 syn. sec. Diego & González 2008