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Aureoboletus auriporus

Aureoboletus auriporus

Common Name: None

Synonyms: Boletus auriporus, Boletus viridiflavus

Substrate: Ground

Location: Hardwood Forests

Spore Color: Olive-brown

Pore Surface: Bright yellow


There are several things to notice right off the bat with this bolete. The first is the viscid (slimy) cap and stem. The second thing is the bright yellow pore surface.  The stem of this species is pale yellow towards the top, and pinkish brown to reddish towards the bottom. The base often has a significant amount of white mycelium. There should be no staining or bruising. There should be no green flash with a drop of NH4 (ammonia) on the cap.

Said to be edible.


Boletus innixus often grows in clusters, and does not have a viscid cap. It also produces a green flash with NH4 on the cap.


Aureoboletus auriporus

9/13/12 - Brown County State Park - Nashville, IN

Aureoboletus auriporus

9/20/12 - Morgan Monroe State Forest - Morgan County, IN