On tree root in N Ireland

Please try to include photos to show all parts of the fungus, eg top, stem, and gills.
Note any smells, and associated trees or plants (eg oak, birch). A spore print can be very useful.
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Bilko
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On tree root in N Ireland

Post by Bilko » Mon Oct 08, 2018 6:46 pm

Hi folks. New member here. Was wondering if anyone could identify these for me? They are growing in clusters in a boggy part of Northern Ireland. Discovered them today (8th October), growing on an exposed tree root. The tree, I believe, is a poplar although it is surrounded by other trees, mainly Ash. They vary in size, with the biggest cap size around 4/5 cm and the smallest maybe 2/3 cm. Quite long stems...4/5 cm. Texture is quite firm and smells slightly nutty to (inexperienced) me.

I've attached some photos and am in the process of trying to get a spore print. Thanks for taking the time to read this post. Regards, Bill
Attachments
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adampembs
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Re: On tree root in N Ireland

Post by adampembs » Mon Oct 08, 2018 9:58 pm

Welcome to UK Fungi :)

No need for a spore print in this case. This is Honey fungus, one of the Armillaria species, probably Armillaria mellea

Not good news for the tree, I'm afraid.
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Bilko
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Re: On tree root in N Ireland

Post by Bilko » Tue Oct 09, 2018 10:59 am

Thanks for the quick reply and identification, Adam. Naïve as I am, I thought this might be Pioppino (Agrocybe Aegerita), given that it is growing on a Poplar tree.

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adampembs
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Re: On tree root in N Ireland

Post by adampembs » Tue Oct 09, 2018 11:20 am

Bilko wrote:
Tue Oct 09, 2018 10:59 am
Thanks for the quick reply and identification, Adam. Naïve as I am, I thought this might be Pioppino (Agrocybe Aegerita), given that it is growing on a Poplar tree.
Never heard of that one! Agrocybe are a genus of brown spored fungi, so a spore print would quickly rule that out. Always start with spore colour, which you can usually guess from gills, but a spore print is conclusive. Honey fungi often cause confusion, though as their gills can be quite dark from pigment, not the spores.
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Bilko
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Re: On tree root in N Ireland

Post by Bilko » Tue Oct 09, 2018 11:30 am

I used white paper for the spore print and I can see a slightly off white/cream print. You have called it right. Thank you.

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