Retiboletus griseus var. fuscus

Bugs leave dark brown holes w/bright yellow stains in white flesh that may stain slowly red. White-gray, red-staining stem has yellow-brown netting that darkens w/age.

SKU: Boletus griseus var. fuscus Categories: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Description

Name in North American Boletes: Boletus griseus var. fuscus

Genus: Retiboletus

  • Genus 2: Boletus
  • Genus 3: Xercomus

Species: griseus var. fuscus

  • Species: fuscus

Common Name:

Tells: Bugs leave dark brown holes w/bright yellow stains in white flesh that may stain slowly red. White-gray, red-staining stem has yellow-brown netting that darkens w/age.

Other Information: Likes pine (regular griseus likes oak), and also has a darker gray cap and flesh that is a little more yellow. Like the regular version it has an unfortunate tendency to be bug-infested. Supposedly a Japanese species first discovered in the U.S. on Cape Cod and now found more broadly in other Eastern states.

Edibility: Good.

CHEMICAL TESTS:

  • NH4OH (Ammonia): No data.
  • KOH: No data.
  • FeSO4 (Iron Salts): No data.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff  0 Mushrooms of West Virginia and the Central Appalachians  0 North American Boletes 117 BENA 298

Got something to discuss?