BLS Bibliographic Database

Wirth, V., 2010. Ecological indicator values of lichens - enlarged and updated species list. Herzogia, 23, pp.229-248. Available at: http://www.blam-hp.eu/.

Shrestha, G.,0 Predicting the distribution of the air pollution sensitive lichen species Usnea hirta. The Lichenologist, 44, pp.511-522.

Seaward, M.R.D., 1977. Lichen Ecology, London: Academic Press.

Richardson, D.H.S., 1975. The Vanishing Lichens, Newton Abbot: David & Charles.

Richardson, D.H.S., 1992. Pollution Monitoring with Lichens, Slough: Richmond Publishing.

Purvis, O.W., 2000. Lichens Life Series., London: Natural History Museum.

Peveling, E., 1987. Progress and Problems in Lichenology in the eighties. Bibliotheca lichenologica.,

Orange, A., 1994. Lichens on Trees. A guide to some of the commonest species.

Orange, A., James, P.W. & White, F.J., 2001. Microchemical Methods for the Identification of Lichens.

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

Martinez, M. et al., 2012. Multiple-scale environmental modulation of lichen reproduction. Fungal Biology, 116, pp.1192-1201.

Malcolm, W.M. & Galloway, D.J., 1997. New Zealand Lichens: Checklist, key and glossary.

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

Laundon, J.R., 1986. Lichens.

Jönsson, M.T. & Thor, G.,0 Estimating Coextinction Risks from Epidemic Tree Death: Affiliate Lichen Communities among Diseased Host Tree Populations of Fraxinus excelsior. PLOS One, 7. Available at: http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0045701.

Henssen, A. & Jahns, H.M., 1974. Lichenes, Stuttgart: Thieme.

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

Hawksworth, D.L. & Hill, D.J., 1984. The Lichen-forming Fungi, Glasgow & London: Blackie.

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

Hawksworth, D.L., 1974. Mycologist's Handbook. CMI, Kew, Kew: CMI.

Hauck, M., 2011. Eutrophication threatens the biochemical diversity in lichens. Lichenologist, 43, pp.147-154.

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

Gilbert, O.L., 1980. Effect of Land-use on Terricolous Lichens. Lichenologist, 12, pp.117-124.

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

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