Misra, M. and Tandon, P. 2015. Study on biochemical functions in two mosses Physcomitrium pyriforme (Hedw) Hampe. and Octoblepharum albidum (Hedw) and estimation of some heavy metals. International Journal of Environment. 4, 2 (Jun. 2015), 76–86. DOI:https://doi.org/10.3126/ije.v4i2.12627.