Slate Grey Saddle or Fluted Black Elfin Saddle, <i><a href="//commons.wikimedia.org/wiki/Helvella_lacunosa" title="Helvella lacunosa">Helvella lacunosa </a></i>, Family: Helvellaceae, Location: Germany, Biberach an der Riss
<a href="//commons.wikimedia.org/wiki/User:Holleday" title="User:Holleday">Holger Krisp</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>