A lichen red data list for Wales = Rhestr o Gen Data Coch ar gyfer Cymru /
Woods, R. G.(Ray G.)
Plantlife Cymru.
British Lichen Society.
Countryside Council for Wales.
Wales.Welsh Assembly Government.
National Museum of Wales.
Wales Biodiversity Partnership.
Salisbury : Plantlife,
2010.
Includes bibliographical references.
Lichens