Devi, N. S., Y. Padma, C. L. Narasimhudu, and R. V. Raju. “Diversity of Stomata and Trichomes in <i>Euphorbia</I> L. - I”. Bangladesh Journal of Plant Taxonomy, vol. 20, no. 1, June 2013, pp. 27-38, doi:10.3329/bjpt.v20i1.15462.