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Cheema, P. & S. S. Bir. 1995. Cytomorphological studies in Cyperus Linn. V. Section Cyperus Linn. from Punjab, NW India. Proc. Indian Sci. Congr. Assoc. 82(3:VIII): 82–83.
SHARMA, A., & A.K. SARKAR (Editors). 1967-68. Chromosome number reports of plants in Annual Report, Cytogenetics Laboratory, Department of"li"otany, University of Calcutta. The Research Bulletin. 2: 38-Q8.