P1073 Testun Saesneg gyda chrynodeb Saesneg/Cymraeg = English text with English/Welsh summary.
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A bryophyte red data list for Wales = Rhestr data coch bryoffatau ar gyfer Cymru by Sam D. S. Bosanquet. ISBN 9781907141522. Published by Plantlife Cymru in 2011. Publication and catalogue information, links to buy online and reader comments.