help to ID please

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goatmoth
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help to ID please

Post by goatmoth »

Hi

I spotted this striking lichen in a woodland near the River Severn today. I don't recall having seen this before.

Could anyone help with an ID?

Many thanks
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Neil Sanderson
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Re: help to ID please

Post by Neil Sanderson »

I would need a closer view. Possibly trim the photo down to just one thallus if you access to a photoshop like programme. The website compresses the pictures so there is not enough detail in the one you have put up.

Neil
Neil Sanderson
Neil Sanderson
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Re: help to ID please

Post by Neil Sanderson »

To add, from what I can see they look like very vigorous thalli of Phlyctis argena colonising a tree where there are no late succession lichens to compete with and are just overwhelming whatever is there already. They are quite remarkable however!

Neil
Neil Sanderson
goatmoth
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Re: help to ID please

Post by goatmoth »

Thanks very much Neil

Here is a closer view
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gir.jpg
Neil Sanderson
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Re: help to ID please

Post by Neil Sanderson »

Thanks

Yes fairly sure that is very vigorous Phlyctis argena, although it is so striking that, even in the field, I would have probably have checked with K to see the yellow to red spot test check to confirm.

Nice bit of ecology; getting in first is good for a late succession lichen, you get to occupy lots of bark, before peer competitors that it can not overgrow arrive, such as Pertusaria and Lecanora species.

Neil
Neil Sanderson
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