Boletus subluridellus

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Boletus subluridellus is a bolete fungus in the Boletaceae family. It was described in 1971 by American mycologists Alexander H. Smith and Harry D. Thiers. The mushrooms grow on the ground in eastern North America, forming a mycorrhizal partnership with deciduous trees, especially oaks. They appear from July to October in forests of deciduous or mixed trees.

What to look for:
- Caps: orange-red to reddish-orange, up to about 10 cm across, convex and dry with a slightly sticky feel.
- Pores: underneath the cap, dark reddish and small; bruising on the flesh, cap, pores, and stem will turn blue quickly when injured.
- Stem: pale yellow, 4–9 cm long and 1.5–2.3 cm thick, solid, with blue bruising on contact.
- Flesh and spore print: the flesh bruises blue, and the spore print is olive-brown.

Edibility is unknown, so it should not be eaten. Geographic range is from New England west to the Great Lakes and north to Quebec, Canada.