On Sat 5 April I am planning to lead a two hour "Introduction to Lichens for beginners" churchyard walk. at Linton Churchyard, Grassington, starting at 9.15 am. This is free but it is necessary to book (because if no-one-books I won't turn up )
Here is a new lichen for me for my area:
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On the right hand side of the arch at the church entrance is a large whitish patch made up of lots of densely packed apothecia (fruiting bodies) with a "jam tart rim". - A species from the genus Lecanora. If not on mortar, it will be influenced by the mortar between the stone
blocks.
I have not seen this species in my home hectad of SD86 yet. (Though it has been recorded before 1999 in the Malham Tarn House monad) I tested it left with a drop of C (bleach) and right with a drop of K (alkali)
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| The apothecia discs (Leftish) go orange with bleach, and slightly yellow green with KOH (rightish) |
When Maxine saw the picture at our LCIG (Lichen Chat and Improvement Group) she immediately saw the colours of the spot tests (orange on apothecia) and said "antiqua".
I was pleased. I had been introduced to this species at Preston Montford by David Hill in 2023 - see pictures
and found it I think on an old wall at Cober Hill, Cloughton (though there is no record within the correct monad for Cober Hill, only the one next to it.).
It has already been recorded in this Linton/Grassington Monad - pre 1999 SE0066 to be precise: SE 0049663224
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