Boletus regineus, commonly known as the queen bolete,[ is an edible and highly regarded fungus of the genus Boletus that inhabits southwestern North America. It was considered a variant of the similarly edible Boletus edulis for many years until declared a unique species in 2008.] Phylogenetics analysis has shown B. regineus as a member of a clade, or closely related group, with B. subcaerulescens, Gastroboletus subalpinus, B. pinophilus, B. fibrillosus, and B. rex-veris.[
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The cap is wide, convex then flat, brown with a whitish dusting when young. The stalk is 5–15 cm long, 3–6 cm wide, clavate then equal, and whitish tan.
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