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Key to the Ecological Roles of Fungi
Key to the Ecological Roles of Fungi<< Start Over
Does it have ALL 3 of these features?
(gills running down stem, black stem base, stem rooting underground)
Yes

You have a Saprobe breaking down dead soil material...specifically Polyporus radicatus. It is usually more tough and leathery than most boletes.

 No


You have a mycorrhizal Mutualist with nearby trees, probably a bolete (various genera including Boletus, many pictured here), or perhaps another miscellaneous fungus such as a Coltricia or Albatrellus.
 
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