Gray Bolete Retiboletus griseus (Frost) Manfr. Binder & Bresinsky  Synonyms: Boletus griseus.

Status:

Found scattered on ground in mixed, mostly oak, forests.

Description:

Cap: varying shades of brown / gray, dry, convex to almost flat; flesh whitish. Pores: White to gray-brown; may bruise more intense brown / gray. Stalk: Thick, strong reticulated stalk may show yellow from base up, also when handled; stalk flesh yellow although frequently infested by insects. (J. Solem, pers. comm.)

There are 3 records in the project database.

Search Google Images

GAALWAFRCLMOHO BAHACEPGAACVCHSMKEQACNTADOWISOWO
Gray Bolete (caps) in Howard Co., Maryland (7/1/2015). Photo by Joanne Solem. (MBP list)

Gray Bolete in Howard Co., Maryland (8/17/2011). Image features young fruiting bodies showing varying amounts of yellow on strongly reticulated stalks. Photo by Robert Solem. (MBP list)

Gray Bolete in Howard Co., Maryland (7/1/2015). Image features fruiting body showing flesh, pores, and stalk. Photo by Joanne Solem. (MBP list)

Spores collected from a Gray Bolete specimen in Howard Co., Maryland (7/1/2015). Semifusiform, smooth; measured 10.5-11.3 X 3.4-3.8 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.