<p><i>Nephroma arcticum</i> (L.) Torss.
20090616.4
Wells Gray Park, BC
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Close-up of the cephalodia within the upper surface of the lichen.  These contain cyanobacteria in contrast to the green algae found throughout the rest of the lichen.
<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@N03/3815349887/">Arctic Kidney Lichen's Cephalodia</a>
</p>
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