@book {893,
	title = {A monograph of the lichen genus Dirinaria.},
	series = {Bibliotheca Lichenologica},
	volume = {2},
	year = {1975},
	pages = {108},
	publisher = {J. Cramer},
	organization = {J. Cramer},
	address = {Lehre},
	author = {Awasthi, D. D.}
}
