Exposed, elongated roots of a sweet birch (<i>Betula lenta</i>), Sullivan County, within the Kettle Creek Gorge Natural Area of Loyalsock State Forest.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/14922165@N00">Nicholas A. Tonelli</a> from Northeast Pennsylvania, USA
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nicholas_t/9235101992/">Kettle Creek Gorge Natural Area (4)</a>