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newly added lichens

Under The Lens

Caloplaca limonia – new Irish species

Caloplaca limonia

Photo: Caloplaca limonia is a newly described species from the Caloplaca citrina group and recently accepted by the BLS as a British species. (Paul Whelan) has now recorded it in Ireland. Distinguished from Caloplaca citrina by its pale milky colour (due to the large blastidia) and the wide apothecial rim (also covered in blastidia) and bright orange discs – (Description summarised from Powell & Vondrák (2012) and BLS Bulletin 110: 64 (2012)). …read more

Lichen Watch

Agonimia octospora – how I found it


This is a very small and difficult to find lichen. You really need to know what you are looking for to come across this little fellow. Yet, I wasn’t looking for it! Firstly, it occurs on trees, I believe on mature or old trees in undisturbed places. Its though to be indicative of a woodland that has a long undisturbed history, one that has not been felled for trees or to make way for farming any time in its history. I found it in West Cork on an old oak tree. …read more