Sim Elliott PSL TQ2611

@tq2611.bsky.social

Pan species listing of species in monad TQ2611. Devil's Dyke & Poynings West Sussex. VC 13 https://tq2611-pan-species-listing-s-elliott.blogspot.com https://simelliottnaturenotes.blog/

Saw this on Ash yesterday at the Devil's Dyke, West Sussex. I think it is probably Parmotrema perlatum but the stalked soralia with soredia don't look quite right for P. perlatum; they are not at the margins of lobes but within the lobes. Haven't seen anything like this before. Any ideas? #lichenGBI

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Relict chalk pits on the South Down's are one of the best places to see chalk lichens. Bagliettoa calciseda. Monstrously difficult to see: immersed white-grey thallus - for goodness sake! Perithecia (fruiting bodies) immersed in pits & look like scraps of soil. Probably under-recorded #LichenGBI

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Common Gromwell, Lithospermum officinale, in one of its preferred habitats - old quarries; here a relict chalk pit on Newtimber Hill, South Downs, in the scrubby part of the chalk pit floor. Not doing too well in Britain

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A walk today from Poynings village into Poynings Shaw (ancient woodland). Possibly Phaeographis dentritica on a group of ancient coppiced Field Maples, Acer campestre. The Graphidaceae family of lichens are very hard to identify to genus level let alone species level! West Sussex

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In Poynings ancient wet woodland Shaw, around a chalk spring stream on the scarp slope of the downs, there are fab ancient beeches. On one of them was lots of Entergrapha crassa; small interlocking waxy brown thalli, spotted with small dot like apothecia, which often line up in dendritic patterns.

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A walk today from Poynings village into Poynings Shaw (ancient woodland); on an old Ash I saw (left) Punctelia jeckeri and (right) Lecanora symmitca - I think! I forgot to bring my lichen kit! L. symmitca need chemical spot testing & UV testing to ID, to separate it from similar looking Lecanora spp

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A walk today from Poynings village into Poynings Shaw (ancient woodland). Ramalina fraxinea ("belonging to the ash tree" Linnaeus, not always on Ash) on Fraxinus excelsior killed by Hymenoscyphus fraxineus. BLS conservation status: notable & an International Responsibility species. Now rare in SE.

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