At present only B. algovicum var. rutheanum has been recorded in the British Isles.
View distribution from the BBS Atlas 2014David 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.
The Bryophyte identification page under Resources contains additional information on the genus Bryum, including an early version of the keys now published in David Holyoak’s book.
Bryophyte identification resources