Common Boletus (Boletus Edulis) Small 320×300 Medium 640×600 Large 1024×960 Download Tiff Original 2400×2250 | (1.1 MB) Description Boletus edulis, or common boletus, is an edible mushroom. It is a large mushroom with a dusky yellow or brownish cap. This mushroom usually grows in the woods and appears in the autumn. Keywords boletus edulis, common boletus, edible, mushroom Galleries Mushrooms Source: Nicholson, George The Illustrated Dictionary of Gardening, Div. VI (London, England: L. Upcott Gill, 1884)