The Spanish Bolet Chopo mushroom, appears in compact and tight groups on stumps, roots, and old trunks of elms, poplars, and poplars, and sometimes in the willow trees. The cap of this Bolet Chopo mushroom measures 2 to 10 cm in diameter, first hemispherical and dark brown and later flattened and whitish. The gills are initially whitish in color and then darken and take on a tobacco color with a scent of overripe or vinegary fruit. The stem can reach up to 15 centimeters in length, is long and slender, and has a whitish or brownish color. It is provided with a membranous ring. The spores are ochre or tobacco-colored.