this post was submitted on 03 Feb 2024
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Mushrooms

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Chaga? (programming.dev)
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Never seen one that large if so

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[–] BradleyUffner@lemmy.world 10 points 7 months ago* (last edited 7 months ago) (1 children)

That's a burl (basically tree cancer), and any woodworker would give you their right arm for one that size.

[–] CannedTuna@sh.itjust.works 5 points 7 months ago

It’s not really cancer tho. Some trees reproduce through burls, such as sequoias (redwood). The burls contain seedlings that sprout when the tree falls or spread with flooding or forest fires. photo of a redwood with a burl taken in Muir Woods, Mill Valley, CA