<i>Bryoria tortuosa</i> (IMAGE)

The University of Montana

<i>Bryoria tortuosa</i>

Caption

Bryoria tortuosa, a lichen species studied by a team of University of Montana researchers, show that some of the world's most common lichen species actually are composed of three partners, not the widely recognized two.

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Photo by Tim Wheeler, <a target="_blank"href="http://timwheelerphotography.com">timwheelerphotography.com</a>.

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