David Holyoak’s book contains keys, detailed morphological, ecological and taxonomic descriptions and diagrams showing key features – and is highly recommended for anyone wishing to get to know Bryum species.
This useful little guide contains brief descriptions and a 2-page spread with photos of the tubers of many Bryum species for easy comparison.
The Bryophyte identification page under Resources contains a useful key and other information on the genus Bryum.
Bryophyte identification resources