Shetland Lichens. A journey...

Shetland Lichens
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Re: Shetland Lichens. A journey...

Post by Shetland Lichens » Tue Feb 16, 2021 3:17 pm

Another couple of cries for, if not a specific identity, then some help getting me in the approximate ballpark, please!

First up is this curiosity. On a west facing boulder, low in a drystone wall bordering a small, formerly shrub-filled garden, this irregular shaped white form has, on close inspection, fluffy soredia. I can't find any other examples of it anywhere else here on the island.

I'm wondering about Pertusaria?
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AP6I2284 edit crop.jpg

Shetland Lichens
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Posts: 14
Joined: Sun Jan 24, 2021 3:56 pm
Location: Shetland
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Re: Shetland Lichens. A journey...

Post by Shetland Lichens » Tue Feb 16, 2021 3:24 pm

And this pale ivory-coloured thing... I'm stumped by. Found only on one small section of drystone wall bordering the open moor, and on some erratics in the moor itself.
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AP6I2291 edit smaller.jpg

Shetland Lichens
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Posts: 14
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Location: Shetland
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Re: Shetland Lichens. A journey...

Post by Shetland Lichens » Tue Feb 23, 2021 8:00 pm

You may recall earlier in this thread I found some Caloplaca that perplexed. I wondered about C. thallincola, but there were some features wiser folk found puzzling.

Here's another, from a few miles away. Am hopeful this is a more convincing candidate for C. thallincola?
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Caloplaca sp maybe thallincola
Caloplaca sp maybe thallincola

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