The collections were collected from various types of rocks, soil and other substrates. All specimens were examined for their morphological and anatomical characteristics and chemistry as follow The morphology of the thallus including lobe size,rhizines, cilia, vegetative propagules (isidia, soredia,phyllidia and pustule), reproductive structure, color and surface texture were examined by using low magnification stereomicroscope The anatomical characters of thallus including reproductive structure, apothecia and pycnidia were free-hand sectioned with the aid of razor blade Investigation of the fine structures was performed under light microscope