Carex longii Mack. Carex longii Mack. in Bull. Torrey Bot. Club 49: 372-373. 1922 sec. González-Elizondo & al. 2018=Carex leporina var. bracteata Liebm. in Kongel. Danske Vidensk.-Selsk. Skr. 5. 2 (Mexic. Halvgr.): 264. 1850 syn. sec. Diego & González 2008