Posted on 17 November 20188 November 2018 by David Autumn fungi: birch boletes A common autumn fungus, birch boletes have a rich dark brown coloured cap with pores rather than gills on the underside, and lines of scales on the stem. Grow, as the name implies, in association with birch trees. Post navigationPrevious post: Wary heron, Doxey MarshesNext post: Retreating male pheasant