Gymnosporangium tremelloides, Brok, <a href="//commons.wikimedia.org/wiki/Polska" title="Polska">Polska</a>
<a href="//commons.wikimedia.org/wiki/User:Beentree" title="User:Beentree">Beentree</a>, retouched by <a href="//commons.wikimedia.org/wiki/User:Patrol110" title="User:Patrol110">Patrol110</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>