- Species: communis
Common Name: “Patriotic Bolete”
Tells: Cap context: red zone by skin, white (or pale yellow) flesh, turns blue. Get it? Also tastes sour. Blue-bruising yellow pores age darker. Oft-pink upper stem.
Other Information: Velvety tan-olive baby-cap soon ages to red (from pinkish- to brick- or dark-), often w/browner olive- or tarnished-brass tints by the edge. Stem typically rosy pink-red high & olive low on a yellowish ground color, but can vary greatly. Whitish to pale yellow mycelium. A typically Southern species, DNA-confirmed specimens have recently been found as far north as New Jersey.
- NH4OH (Ammonia): Cap surface turns olive-amber. Cap flesh turns pale orange-yellow.
- KOH: Cap surface turns olive-brown. Cap flesh turns pale orange-yellow.
- FeSO4 (Iron Salts): Cap surface turns olive-gray. Cap flesh turns pale orange-yellow.