Craig Postlethwaite

After about an hour looking at trees in the car park we managed to walk 150m to this rock. A photo of four people looking closely at a large rock.

Placopsis lambii. A white lichen on a rock with orange/brown cephalodia which contain a secondary cyanobacterial photobiont.

Tuckermannopsis chlorophylla on the trunk of a Scots Pine. This green frilly foliose lichen is a darker grey brown when dry.

Coniocarpon cinnabarinum. This distinctive crustose lichen has pink/ brown apothecia. Unfortunately it is growing on an Ash tree that has succumbed to Ash dieback. No other thallus of this lichen has been found on other nearby trees of other species.

The Strathclyde Local Group of @britishlichensociety.org.uk went on a field trip to Knapps Loch near Kilmalcom. Lots of interesting micro-habitats that will make a return visit very likely.
#lichengbi

29.07.2025 17:17 — 👍 15    🔁 2    💬 1    📌 0

Arran across a calm Firth of Clyde

Portencross has lots of interest on seashore rocks

And there is also a small old wood made up mainly of oak, ash and hazel. With a carpet of Wild Garlic.

Strathclyde BLS group went to Portencross in Ayrshire again. Lovely weather and a nice group of lichens found.
I’ve not commented on lichen photos as I’ll be using them for my LABS group to identify tomorrow evening.

29.04.2025 16:50 — 👍 7    🔁 0    💬 0    📌 0

A hair like lichen growing on the frank of a pine tree.

A tuft of a hair like lichen growing on the bark of a pine tree.

Bryoria fuscescens was a very pleasant surprise when I was recording in a monad a couple of miles from our house.
#lichensgbi

10.04.2025 15:32 — 👍 20    🔁 2    💬 0    📌 0

And further discussion has this leaning towards Placopsis lambii

13.03.2025 19:35 — 👍 1    🔁 0    💬 0    📌 0

A white lichen on rock. A spot of bleach has been applied which has turned red.

Strathclyde Lichen Group headed a bit further north today to Glen Finglas and Little Druim wood. Nothing very exciting other than boulders near the visitor centre being covered in Placopsis gelida. Lovely C+ red reaction. #lichensgbi

13.03.2025 17:58 — 👍 12    🔁 1    💬 1    📌 0

An image of a woman’s hand holding a lichen.

One of the benefits of signing up for a Lichens for Absolute Beginners course with @britishlichensociety.org.uk is random photos of Ramalina fastigiata from friends and family. What more incentive is needed? #lichensgbi

12.03.2025 11:57 — 👍 4    🔁 0    💬 0    📌 0

Stan Campbell beside an alder that is covered in Graphis scripta s. lat.

BLS Strathclyde Lichen Group were at RSPB Lochwinnoch on Tuesday. I was on note taking duties so few photos. We will end up with over 60 species across 3 monads that are mostly water, reedbeds or “improved” grassland. Each monad now with 30 or more species recorded rather than none.
#lichengbi

30.01.2025 09:18 — 👍 18    🔁 2    💬 0    📌 1

The lichen Protoparmeliopsis muralis, a grey lichen with brown fruiting bodies or apothecia, surrounded by a yellow crustose lichen

If you're interested in finding out more about lichens, do look at the British Lichen Society's (BLS) events page for walks, talks and more across the country over the next few months
britishlichensociety.org.uk/the-society/...

17.01.2025 21:26 — 👍 114    🔁 26    💬 1    📌 3

Hi Petra! Third year of these walks. This one started about a 10 minute walk from our house so I know the area very well. It was more of a guided tour than a discovery walk. I've recorded over 50 species in that monad. Today I think I pointed out around 25-30.

18.01.2025 16:06 — 👍 2    🔁 0    💬 1    📌 0

The group waiting their turn to have a poke and a look at some Jelly lichens growing in cracks in the mortar in the wall.

Studying bryophytic lichens Normandina pulchella and Coenogonium luteum on a tree trunk. The latter is being compared to the photo of the front of “Dobson”.

The crouching over a rock covered in Cladonia species. These are always popular.

A rock covered in Cladonia species of lichen.

Paisley Natural History Society lichen walk around part of Gleniffer Braes Country Park was held this morning.
The group saw common crustose lichens on concrete and rocks, epiphytic foliose species and, of course, everyone’s favourite Cladonias and Peltigeras. #lichensgbi

18.01.2025 13:49 — 👍 14    🔁 1    💬 1    📌 0

And there was a little frozen forest of Cladonia subulata
#lichensgbi

07.01.2025 15:57 — 👍 8    🔁 0    💬 0    📌 0

Normandina pulchella on a mossy tree trunk.

Maybe “toe of boot” should be the appropriate scale measure for Porpidia macrocarpa apothecia.

Protopannaria pezizoides

Coenogonium luteum.

First day out properly looking at lichens this year. Went to a nearby old quarry with lots of mossy trees and rock. Multiple layers to cope with cold but sun shone all day so lovely to be out.
Details in alt text.
#lichensgbi

07.01.2025 15:45 — 👍 41    🔁 6    💬 2    📌 0

A robin perched on a tyre

Greenland White-fronted Geese

A wall with crustose lichens and a post with Cladonia

Down in Dumfries and Galloway for birdwatching. At Ken Dee Marshes there was a ridiculously tame Robin, some very distant Greenland White-fronted Geese and a wall and post that made me glad I’d left the hand lens and chemicals at home. I would have lost hours…

11.12.2024 17:59 — 👍 1    🔁 0    💬 0    📌 0

Had a glance through and they look fantastic.

07.12.2024 11:24 — 👍 1    🔁 0    💬 0    📌 0

Books on beetles birds and lichens.

I have some light reading to do over the next few weeks. A delivery worth waiting in for.

06.12.2024 14:38 — 👍 10    🔁 0    💬 2    📌 0

A green foliose lichen on a rock.

Dermatocarpon luridum from today’s Strathclyde Lichen Group outing at Balloch Castle. Not the best photo but I was leaning over a rock on my toes at full stretch trying not to get two bootfulls of cold Loch Lomond water.

26.11.2024 20:50 — 👍 14    🔁 1    💬 3    📌 0

Typical…. :-)

22.11.2024 13:26 — 👍 0    🔁 0    💬 0    📌 0

I think these are Infundibulicybe geotropa - trooping funnel. However my fungi id relies on looking on the internet so I’m probably wrong. However they are huge (20cm dia) and if the temperature picks up will be gathered once “over” to search for beetles.

22.11.2024 13:06 — 👍 1    🔁 0    💬 1    📌 0

Normandina pulchella growing amongst moss.

Coenogonium luteum

I've been preparing the lichen walk I do for the local natural history society. I couldn't find the tree that I knew had Coenogonium luteum but did manage to find some Normandina pulchella. After a few close encounters with brambles I did find the C. luteum. All 15 minutes walk from home.

20.11.2024 15:39 — 👍 52    🔁 6    💬 1    📌 0