Reference:

Bates, JW. (2000). Mineral nutrition, substratum ecology and pollution. In Shaw, AJ & Goffinet, B. (eds.) Bryophyte Biology, Cambridge University Press, 248-311 [This contains a very useful survey and numerous further references.]

Bates, JW & Farmer, AM. (eds) (1992). Bryophytes and Lichens in a Changing Environment. Oxford University Press, Oxford. [This is a collection of 14 papers and several discuss pollution.]