The biodeterioration of monuments by lichen is a much less discussed subject of the present day in India in the field of Lichenology. Lichens not only play a role as agents of biodeterioration but also a valid indicator of environmental quality. Floristic and vegetational studies that have to be made on stone materials also allow us to ascertain whether the pollution tolerant species are more frequent than the poleophobic ones. The book would serve as efficient ...
