1. Alam, Sk. S., Azhar, S. S., Sarker, R. H., and Zaman, M. A. 1998. Karyotype analysis with differential banding in Crinum pratense and Crinum defixum. Cytologia 63: 223–227.
2. Alam, Sk. S., and Deen, S. S. 2002. Karyotype and Isozyme analysis in three forms of Colocasia esculenta (Araceae). Bangladesh J. Bot. 31: 95–98.
3. Alam, Sk. S., Nahar, K. K., Sarker, R. H., and Zaman, M. A. 2000. Differential chromosome banding and isozyme analysis of Amphylogonum chinense (L.) Lindley and A. salarkhanii Hassan (Polygonaceae). Bangladesh J. Bot. 29: 29–39.
4. Begum, K. N., and Alam, Sk. S. 2009. Karyotype Analysis in three Morphological Forms of Colocasia fallax Schott. Cytologia 74: 209–214.
5. Bowmer, K. H., Jacobs, S. W. L., and Sainty, G. R. 1995. Identification, Biology and Management of Elodea canadensis, Hydrocharitaceae. J. Aquat. Plant Manag. 33: 13–19.