Lichens are composite species made up of a symbiotic relationship between a phycobiont and a mycobiont. Lichens
usually occur in extreme environments and it can be useful to many commercial applications. Phytochemical study of extract of
Parmotrema sp. was carried out in order to detect the presence of different secondary metabolites These are commonly used in
South Indian cuisine, as well as Hyderabadi Biryani. It is also known as the Black Stone Flower. Parmotrema has a long history
in ethanopharamaceutics.It revealed the presence of Alkaloids, Tannins, Phenols, Glycoside, etc.The present study reveals about
its phytochemical analysis.
