Fronds of <i>Cystopteris tenuis</i>, taken from <a href="//commons.wikimedia.org/w/index.php?title=Strouds_Run_State_Park&amp;action=edit&amp;redlink=1" class="new" title="Strouds Run State Park (page does not exist)">Strouds Run State Park</a>, at <a href="//commons.wikimedia.org/w/index.php?title=Athens,_Ohio&amp;action=edit&amp;redlink=1" class="new" title="Athens, Ohio (page does not exist)">Athens, Ohio</a>
<a href="//commons.wikimedia.org/wiki/User:Jaknouse" title="User:Jaknouse">Jaknouse</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>