Chestnut Bolete Gyroporus castaneus (Bulliard) QuĂ©let  Synonyms: Boletus castaneus.

Status:

Found solitary or in scattered groups on ground in mixed hardwood/coniferous forests.

Description:

Cap: Chestnut/orange-brown, convex (flat in age), finely velvety, dry; margin often splits in age; flesh white, brittle. Pores: Whitish/buff, circular. Stalk: Color of cap or lighter at apex, surface uneven, thicker in middle. Cap stains yellow, then bleaches white with KOH (J. Solem, pers. comm.).

There are 66 records in the project database.

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A Chestnut Bolete in Anne Arundel Co., Maryland (6/22/2014). Determined by Lance Biechele. Photo by Bill Hubick. (MBP list)

A Chestnut Bolete in Howard Co., Maryland (7/2/2013). Photo by Richard Orr. (MBP list)

A Chestnut Bolete in Howard Co., Maryland (8/25/2010). Photo by Richard Orr. (MBP list)

Chestnut Bolete (fruiting bodies) in Howard Co., Maryland (8/21/2010). Photo by Joanne Solem. (MBP list)

Chestnut Boletes growing in Anne Arundel Co., Maryland (8/9/2018). Determined by Jo Solem. Photo by Anne Looker. (MBP list)

Chestnut Bolete (pores) in Howard Co., Maryland (8/21/2010). Photo by Joanne Solem. (MBP list)

A Chestnut Bolete in Howard Co., Maryland (8/5/2013). Determined by Jo Solem. Photo by Nancy Magnusson. (MBP list)

A Chestnut Bolete in Wicomico Co., Maryland (10/4/2014). Photo by Lance Biechele. (MBP list)

Spores collected from a Chestnut Bolete specimen found in Howard Co., Maryland (8/20/2010). Elliptical, smooth; measured 8.8-10.0 x 5.2-5.6 microns. Photo by Robert Solem. (MBP list)


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