If you’re prepared for a bit of a hike, there are some wonderful, remote places to explore, as these images show – and Philippa is very welcoming and helpful to visiting bryologists!
Resources you may find useful
Blackstock, T. & Yeo, M. 2001. Mosses and liverworts. In P. Rhind & D. Evans eds. The Plantlife of Snowdonia, pp 70-94. Gomer.
Hill, M.O. 1988. A Bryophyte Flora of North Wales. Journal of Bryology 15-2: 377-491