Alfasane, M. A., M. Khondker, M. S. Islam, and M. A. H. Bhuiyan. “<i>Egeria densa</I> Planchón (Hydrocharitaceae) : A New Angiospermic Record for Bangladesh”. Bangladesh Journal of Plant Taxonomy, vol. 17, no. 2, Dec. 2010, pp. 209-13, doi:10.3329/bjpt.v17i2.6702.