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A brown-capped butter bolete of eastern North American hardwood forests. It has bright yellow, initially 'stuffed' pores and a yellow, finely netted stem that reddens toward the base. MushroomExpert suspects two species are going under this name: a hardwood taxon, and a more northern taxon often under hemlock.
Reported as edible and very good by one regional source (Boletes of Eastern North America, as Boletus speciosus var. brunneus). MushroomExpert gives no edibility data, and the name probably covers two species, so its edibility is thinly documented. Avoid any yellow-pored bolete that tastes bitter, and any with red or orange pores.
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Mycology is an evolving science: names, classifications and safety information change as research advances. Entries are compiled from cited sources and reviewed, but may be incomplete or out of date — check the sources, and never rely on this library alone to identify or eat a mushroom.
