Posted on 8 October 20185 October 2018 by David Autumn fungus: larch bolete If conditions are right, larch boletes might be found in association with larch trees (surprise). Boletes are a group of mushrooms which have pores rather than gills on the undersides of the caps, through which the spores are distributed. Post navigationPrevious post: Autumn insect: southern hawker dragonflyNext post: Autumn insect: comma butterfly on ivy