<p>Scientific Name: <i>Hypocenomyce scalaris</i> (Ach.) M. Choisy
Common Name: Common Clam Lichen
Certainty: positive (<a rel="nofollow" class="external text" href="http://bornnaturalist.org/notes/20081015#17">notes</a>)
Location: Southern California; San Gabriel Mts; Mt Gleason
</p>
Date: 20081015
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/7147684@N03">Jason Hollinger</a>
CC BY 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/7147684@N03/2972621596/">Common Clam Lichen</a>
</p>
<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:Amada44" title="User:Amada44">Amada44</a></li></ul>