Cropped and digitally remastered version of another file masquerading as DickinsoniaCostata*.png (Can't remember which number should replace the *!)
<a href="https://en.wikipedia.org/wiki/User:Verisimilus" class="extiw" title="wikipedia:User:Verisimilus">Verisimilus</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span> assumed, due to credit. Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.