BLS Bibliographic Database

Nash, T.H., 1996. Lichen Biology, Cambridge: Cambridge University Press.

Galun, M., 1988. Handbook of Lichenology, Boca Raton, Florida: CRC Press.

Hawksworth, D.L. et al., 1995. Dictionary of the Fungi. Ed. 8, Wallingford: CABI.

Culberson, C.F., 1969. Chemical and Botanical Guide to Lichen Products, Chapel Hill: University of North Carolina Press.

Hale, M.E., 1983. The Biology of Lichens. Ed. 3, London: Arnold.

Lawrey, J.D., 1984. Biology of Lichenized Fungi, New York: Praeger.

Hawksworth, D.L., 1994. Ascomycete Systematics. Problems and Perspectives in the Nineties Nato ASI Series, Ser. A: Life Sciences., New York: Plenum Press.

Ferry, B.W., Baddely, M.S. & Hawksworth, D.L., 1973. Air Pollution and Lichens, London: Athlone Press.