A. N. Islam and N. Akter, “Desmids of some selected areas of Bangladesh. 3. <i>Docidium</i>, <i>Pleurotaenium</i>, <i>Triplastrum</i> and <i>Triploceras</i>”;, Bangladesh J. Plant Taxon, vol. 12, no. 1, pp. 11–23, Oct. 2005.