Carex orizabae Liebm. Carex orizabae Liebm. in Kongel. Danske Vidensk.-Selsk. Skr. 5. 2 (Mexic. Halvgr.): 263-264. 1850 sec. González-Elizondo & al. 2018=Carex volcanica F.J. Herm. in Brittonia 23: 144-145. 1971 syn. sec. Diego & González 2008