Carex interior L.H. Bailey in Bull. Torrey Bot. Club 20: 426. 1893 sec. González-Elizondo & al. 2018
- =Carex interior var. keweenawensis F.J. Herm. in Amer. Midl. Naturalist 25: 19. 1941 syn. sec. Diego & González 2008
- =Carex interior f. keweenawensis (F.J. Herm.) Fernald in Rhodora 44: 284. 1942 syn. sec. Diego & González 2008