Boletellus pictiformis

Blue-bruising, reddish brown/black, scabered stem often has  yellow by the top. Dark cap often cracks w/age. Yellowish pores bruise blue.


Genus: Boletellus

Species: pictiformis

Common Name:

Tells: Brown, coarsely shaggy scales on stem. Reddish-brown pores stain blue. Yellow cap flesh quickly blues. Dark, scaly cap.

Other Information: Stem scales often arranged in a netting pattern. Spore print unknown. Identical to B’us. fallax except that has greenish- to olive-yellow pores.

Edibility: Unknown.


  • NH4OH (Ammonia): (Based on B’us fallax…) Cap skin turns black. Cap flesh has no reaction.
  • KOH: (Based on B’us fallax…) Cap skin turns deep reddish brown. Cap flesh turns pale, orangey-yellowish brown.
  • FeSO4 (Iron Salts): (Based on B’us fallax…) Cap skin has no reaction. Cap flesh has no reaction.


National Audubon Society Field guide to Mushrooms, Gary Lincoff 567 Mushrooms of West Virginia and the Central Appalachians 0 North American Boletes 85

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