Synonyms
Calamus crispus A.J.Hend., N.K.Ban & N.Q.Dung
Calamus solitarius T.Evans, Sengdala, Viengkham, Thamm. & J.Dransf.
Calamus bonianus Becc.
Calamus batoensis A.J.Hend. & N.Q.Dung
Calamus cambojensis Becc.
Calamus tetradactylus var. bonianus (Becc.) Conrard
Palmijuncus tetradactylus (Hance) Kuntze
Calamus flavinervis A.J.Hend. & N.Q.Dung