How to identify it?
Cap
Cap 3-10 cm across, convex, becoming broadly convex; chestnut to dark brown; surface smooth.
Flesh
Flesh thick, firm, whitish or yellowish, slowly turns pale blue when cut. Taste slightly soapy.
Photo By Björn S... , used under CC-BY-SA-2.0 /Cropped and compressed from original
Scientific Classification
Phylum
Club fungi Class
Mushroom-forming fungi Order
Boletes and allies Family
Boletes Genus
Imleria Species
Bay bolete