Bracken <i><a href="//commons.wikimedia.org/wiki/Pteridium_aquilinum" title="Pteridium aquilinum">Pteridium aquilinum</a></i> subsp. <i>pubescens</i>. Colonisation in old harvest unit; Walla Walla Ranger District, Umatilla National Forest, Oregon, United States
<p><a rel="nofollow" class="external text" href="http://www.forestryimages.org/browse/autimages.cfm?aut=1071">Dave Powell</a> from United States
</p>
<a rel="nofollow" class="external text" href="http://www.forestryimages.org/browse/orgimages.cfm?org=25">USDA Forest Service</a>
CC BY 3.0 us
<a rel="nofollow" class="external text" href="http://www.forestryimages.org/browse/detail.cfm?imgnum=0976092">Pteridium aquilinum (L.) Kuhn</a>