Elfbergen Gaasterland. Honey fungus (<i>Armillaria</i>), a parasite that normally grows on the roots of trees being groped, but here exceptionally well on the bark.
<a href="//commons.wikimedia.org/wiki/User:Famberhorst" title="User:Famberhorst">Dominicus Johannes Bergsma</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>