[1] K, P. and P.S., U. 2018. A Survey on the Pteridophyte Flora of the 18 Selected Sacred Groves in Chalavara Grama Panchayath, Palakkad District, Kerala. International Journal of Environment, Agriculture and Biotechnology. 3, 4 (2018), 1222–1225. DOI:https://doi.org/10.22161/ijeab/3.4.11.