Synonyms
Dichostylis nipponica (Franch. & Sav.) Palla
Cyperus michelianus f. exiguus Kük.
Cyperus stauntonii (C.B.Clarke) Ohwi
Cyperus michelianus var. nipponicus (Franch. & Sav.) Kük.
Scirpus stauntonii C.B.Clarke
Juncellus nipponicus (Franch. & Sav.) C.B.Clarke