Department of Botany, University of South Bohemia, České Budějovice, Czech republic
<a href="//commons.wikimedia.org/wiki/User:Ben_Sk%C3%A1la" title="User:Ben Skála">Ben Skála, Benfoto</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>