Rhynchospora eximia (Nees) Boeckeler Rhynchospora eximia (Nees) Boeckeler in Linnaea 37: 601-602. 1873 sec. González-Elizondo & al. 2018=Spermodon eximius Nees, Bot. Voy. Herald: 222. 1854 syn. sec. Diego & González 2008