Hollow Bolete
A dry, fibrous-scaly brown bolete of larch, with large, radially arranged yellow pores and a stem that becomes hollow at least in its lower half. North American collections long called Suillus cavipes are now separated as S. ampliporus, because ITS sequences split them from the Eurasian species even though the two cannot be told apart by eye.
Reported as edible for S. cavipes in the broad sense (Wikipedia), though not highly rated. The larch host, dry scaly cap, large radial pores and hollow stem identify it; no dangerous look-alikes are reported under larch, but Suillus can upset some stomachs.
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