fruticose lichen - <i>Usnea</i> genus
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/41894171054@N01">Dusty Matthews</a> from Keller, United States
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/41894171054@N01/4978828">Flickr</a>