Staurastrum ensiferum W.B. Turner in Bih. Kongl. Svenska Vetensk.-Acad. Handl. 25(5): 109. 1892; J.F. Freitas & N.D. Kamat in Phykos 18(1-2): 102. 1979; M. Srivast in Philipp. J. Sci. 117(1): 26. 1988.
Distribution : Freshwater; Jharkhand, Maharashtra, Tamil Nadu, West Bengal.