Clustered Brown Bolete Aureoboletus innixus (Frost) Halling, A.R. Bessette & A.E. Bessette  Synonyms: Boletus innixus.


Found solitary or in groups on ground under hardwoods, primarily oaks.


Cap: Gray-brown cap cracks in age, dry but viscid when wet; convex. Pores: Golden yellow (dull yellow in age). Stalk: Yellowish with dark brown tones; often enlarged down, club-shaped, then tapered; may have yellow mycelium at base (J. Solem, pers. comm.).

There are 20 records in the project database.

Search Google Images

Clustered Brown Bolete (cap and gills) in Howard Co., Maryland (8/19/2011). Photo by Robert Solem. (MBP list)

Clustered Brown Bolete (cut specimen) in Howard Co., Maryland (8/19/2011). Photo by Robert Solem. (MBP list)

Spores collected from a Clustered Brown Bolete specimen found in Howard Co., Maryland (8/19/2011). Elliptical, smooth; measured 9.2-11.5 X 4.5-5.5 microns. Photo by Robert Solem. (MBP list)

View All Images

Use of images featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

View Bibliography

Eating mushrooms can be dangerous. One should do so only with expert advice and great care. MBP accepts no liability for injury sustained in consuming fungi or other biodiversity.