Catalog cyfrifiad cen Cymreig
By: R. G. Woods ac A. Orange / cyfieithiad Cymraeg gan Elinor Gwynn = A census catalogue of Welsh lichens / R.G. Woods and A. Orange / Welsh translation by Elinor Gwynn.
Contributors: Orange, Alan.; National Museum and Gallery Cardiff. Department of Biodiversity and Systematic Biology.
Publisher: Adran Bioamrywiaeth a Bywydeg Gyfundrefnol, Amgueddfa ac Oriel Genedlaethol Caerdydd = Department of Biodiversity and Systematic Biology, National Museum and Gallery Cardiff
Published: 1999
Place of publication: Caerdydd = Cardiff
Language: eng
Number of pages: 62
Subjects: Lichens -- Wales.
Other titles: A census catalogue of Welsh lichens.
Notes: Bibliography: pp.55-62.

Testun cyfochrog Cymraeg/Saesneg = Welsh/English parallel text.