Journal of Environmental Biology Journal of Environmental Biology Volume 37 Number 3 Page No: 407-412 May 2016 R E P R I N T Triveni Enterprises Lucknow, India ISSN : 0254-8704 (Print) ISSN : 2394-0379 (Online) CODEN : JEBIDP Survey, distribution pattern and elemental composition of lichens in Yercaud hills of Eastern Ghats in southern India Ponnusamy Ponmurugan, Ganesan Ayyappadasan, Rama Shankar Verma and Sanjeeva Nayaka