Welsh ferns, clubmosses,quillworts and horsetails
Subtitle: a descriptive handbook
By: by H. A. Hyde and A. E. Wade.
Contributors: Wade, A. E.; Harrison, S. G. 1924-
Edition: 5th ed, revised by S. G. Harrison.
Publisher: National Museum of Wales
Published: 1969
Place of publication: Cardiff
Language: eng