British mosses and liverworts
Subtitle: an introductory work, with full descriptions and figures of over 200 species, and keys for the identification of all except the very rare species
By: written and illustrated by E. Vernon Watson, with a foreword by Paul Richards.
Edition: 2nd ed.
Publisher: Cambridge U.P.
Published: 1968
Place of publication: London
Language: eng
Number of pages: 495
Subjects: Mosses -- Great Britain.; Liverworts -- Great Britain.
Notes: Bibliography: p. 15-17.