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… by conservation value

Ireland does not have a Lichen Red Data list. Hopefully one will emerge after the current LichenIreland Project. The conservation evaluation of Ireland's lichens in this section is based on the BLS text 'A Conservation Evaluation of British Lichens' by Woods and Coppins 2003. It is applied here to Ireland with the proviso that some evaluations may be underestimated rather than exaggerated. A detailed explanation of the categories is given in the text, available from the BLS.


NS - Nationally Scarce

NR - Nationally Rare

NT - Near Threatened

VU - Vulnerable

EN - Endangered

IR - International Responsibility

LC - Least Concern

CR - Critically Endangered

RDB - Red Data Book

DD - Data Deficient