2/2 I get so excited about the exotic trees at Wakehurst, I sometimes forget that Westwood Valley is a superb example of High Weald native ghyll woodland, lying just outside the Wakehurst & Chiddingly Woods SSSI. The lichen abundance overspills onto its exotics trees, here a rare pine #lichenGBI

1/2 Walking down Westwood Valley at @rbgkew.bsky.social Wakehurst, now most of the leaves are gone on the exotic & native trees, you can see the great abundance of common lichens, e.g. Evernia prunastri, Ramalina spp. & Usnea cornuta, as a result of the oceanic microclimate of its ghyll #lichenGBI

Nice lichen combo on Quercus robur, at @rbgkew.bsky.social Wakehurst. Ramalina fastigiata, a Candellaris sp. (a candle flame lichen) and Parmelia sulcata. #lichenGBI

Gave my new hand lens - an Eric Zimmerman Lichen candelaris x10 - a run today at Wakehurst. Very good but It has no case or lens protection so I bought some babies’ socks to protect it; and added a GPS tracker! #lichenGBI

Cladonia incrassata. Nationally scarce, but can be quite abundant where it grows on Ardingly Sandstone in the High Weald. Only two outcrops at Ardingly Sandstone rock walk at @rbgkew.bsky.social Wakehurst have it; but it is abundant on those. KC+yellow, UV+ white. Sessile apothecia. #lichenGBI

Tagging into post above ⬆️ @britishlichensociety.org.uk #lichenGBI

Tagging into post above ⬆️ @britishlichensociety.org.uk #lichenGBI

Looking forward to welcoming my tutees for this weekend's 'Lichens for beginners' course at FSC Epping Forest. The classroom is ready, the weather is sunny and warm, and the secret world of #lichens awaits its newest explorers! @fieldstudiesc.bsky.social @britishlichensociety.org.uk #lichenGBI

Tagging into post above ⬆️ @britishlichensociety.org.uk #lichenGBI

Here are some #lichen beauties in montane wind-clipped heath in the #Cairngorms from a visit a month ago.
#lichengbi

2/2 The Lichens of Chalk Grassland, Gilbert O.L. The Lichenologist. 1993;25(4):379-414. is the only article to considers chalk pebbles in detail; the main lichens Gilbert identifies are Verrucaria hochstetteri V. muralis, V. murina and V. nigrescens. #lichenGBI This is probably V. muralis

Tagging into post above ⬆️ @britishlichensociety.org.uk @thembauk.bsky.social #lichenGBI

Tagging into post above ⬆️ @fieldstudiesc.bsky.social @britishlichensociety.org.uk #lichenGBI

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

Gold and Red. Golden-eye Lichen, Teloschistes chrysophthalmus, and Hawthorn, Crataegus monogyna, Castle Hill NNR. Brighton. #LichenGBI

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

Tagging into post above ⬆️ @bps-algae.bsky.social @britishlichensociety.org.uk @thembauk.bsky.social #lichenGBI

Tagging into post above ⬆️ @bps-algae.bsky.social @britishlichensociety.org.uk #lichenGBI