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Paxillus involutus, commonly known as the brown roll-rim,
Paxillus involutus, commonly known as the brown roll-rim,
Paxillus involutus, commonly known as the brown roll-rim, common roll-rim, or poison pax, is a basidiomycete fungus widely distributed across the Northern Hemisphere. It has been unintentionally introduced to Australia, New Zealand, and South America, where it has likely been transported in soil with European trees. Original public domain image from Flickr
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