Synonymy
Juncus ensifolius Wikstr. in Kongl. Vetensk. Acad. Handl. 2: 1. 1824
- =Juncus ensifolius var. major Hook., Fl. Bor.-Amer. 2: 191. 1840
- =Juncus xiphioides var. macranthus Engelm. in Trans. Acad. Sci. St. Louis 2: 482. 1868
- =Juncus xiphioides var. triandrus Engelm. in Trans. Acad. Sci. St. Louis 2: 482. 1868
- =Juncus oligocephalus Satake & Ohwi in Acta Phytotax. Geobot. 2: 140. 1933
- =Juncus novikovii A. P. Khokhr. in Byull. Glavn. Bot. Sada 172: 25. 1995