Synonyms
Eriophorum vaginatum subsp. opacum Björnstr.
Eriophorum opacum (Björnstr.) Fernald
Eriophorum brachyantherum var. pellucidum Lepage
Eriophorum vaginatum var. brachyantherum (Trautv. & C.A.Mey.) Krylov
Scirpus brachyantherus (Trautv. & C.A.Mey.) T.Koyama