⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-9903443, with some changes.

Scirpus americanus var. monophyllus (J. Presl & C. Presl) T. Koyama is a synonym of Schoenoplectus pungens var. badius (C.Presl) S.G.Sm.

This name is a synonym of Schoenoplectus pungens var. badius (C.Presl) S.G.Sm..

The record derives from Tropicos which reports it as a synonym (record 9903443) with original publication details: Canad. J. Bot. 41: 1118 1118 1963.