1. Mosses
2. Dickson, J.H. (1973). Bryophytes of the Pleistocene. The British Record and its Chorological and Ecological Implications. Cambridge University Press, Cambridge and London.
3. Eddy, A. (1977). Sphagnales of Tropical Asia. Bull. Br. Mus. nat. hist. , Bot., 5(M), 357-445.
4. Haskins, L.E. (1978). The vegetational history of south-east Dorset. Ph.D Thesis, Univ. Southampton.