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Gymnopilus sapineus
Likely growing from pine.
You might want to do the microscopy of this collection (i.e. spores, cystidia) and share it with students at MushroomObserver.
I have these specimens dried, if I can't get somebody more well versed in this genus to have a look at them I will eventually do it myself.
Someone who studies Gymnopilus species should be consulted to add additional comments.