This name is a synonym of Carex longii subsp. meridionalis (Kük.) Luceño & Alves.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 228269) with original publication details: Aliso 11: 536 1987.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:953736-1.
This name was in version 1 of The Plant List, record kew-228269, and has not been changed.