Identifying Your Bolete Edibility / ToxicityIdentification CriteriaUsing the guideFile your photos 5d Rough Stalk Smooth cap, whitish flesh turns grey-violet when cut 5.26 LECCINUM GRISEONIGRUM Leccinum griseonigrum Frequency Rare Size Habitat Area Under Aspen. Cap Dark grey-brown, becoming paler to yellow-brown in age. Margin Even. Tubes Adnate, depressed near the stalk. Pores and Pore Surface Grayish to brown in age and when bruised; pores circular, 2-4 per mm. Stalk Nearly equal, often crooked at the base. Stalk Feature Whitish with brown to dark gray scabers. Flesh Whitish, staining violaceous gray when cut. Sometimes, the context reddens at the top of the stalk. Comments Send a comment No comments yet. More photos For more informations