TY  - BOOK
AU  - Watson,E.Vernon
AU  - Watson,E.Vernon
TI  - British mosses and liverworts: an introductory work, with full descriptions and figures of over 200 species and keys for the identification of all except the very rare species 
PY  - 1955///
CY  - Cambridge
PB  - The University Press
KW  - Mosses
KW  - Great Britain
KW  - Liverworts
ER  -