Synonyms
Carex amphigena (Fernald) Mack.
Carex bipartita var. amphigena (Fernald) Polunin
Carex heleonastes Lilj.
Carex ushishirensis Ohwi
Carex glareosa var. amphigena Fernald
Carex glareosa subsp. chishimana (Ohwi) Vorosch.
Carex glareosa subsp. amphigena (Fernald) Á.Löve
Carex chishimana Ohwi
Carex cryptantha Holm