The fern guide : a introductory guide to the ferns, clubmosses, quillworts and horsetails of the British Isles /
James Merryweather ; and illustrated by Mychael Hill.
- [2nd ed.]
- [Shrewsbury, Shropshire] : FSC, AIDGAP, [1995].
- 188, [4] p. de lâms. : il. (algumas color.).
- Environmental understanding for all ; n. 211 .