Model from the collection of the Botanical Museum in Greifswald, Germany. .<br>see also <a rel="nofollow" class="external text" href="http://www.universitaetssammlungen.de/modelle">universitaetssammlungen.de/modelle</a> for more information on the models
David Ludwig
CC BY-SA 3.0
own work at Botanical Museum in Greifswald