This name is a synonym of Carex cephaloidea (Dewey) Dewey ex Boott.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 228852) with original publication details: Amer. J. Bot. 11: 308 1826.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:46693-2.
This name was in version 1 of The Plant List, record kew-228852, and has not been changed.