In 3 volumes: Vol 1 – Liverworts (Hepaticae &
Anthocerotae) 1991, 352pp, 303 maps; Vol 2 – Mosses (except Diplolepideae)
1992, 400pp, 367 maps, and Vol 3 – Mosses (Diplolepideae) 1994, 416pp, 378
maps. 10-km square dot distribution maps and notes, based on 30 years of
recording by members of the British Bryological Society.
Hardbacks 3-volume set.