<p>Scientific Name: <i>Lichenomphalia umbellifera</i>
Common Name: unknown
Certainty: positive (<a rel="nofollow" class="external text" href="http://bornnaturalist.org/notes/20080528#5">notes</a>)
Location: Canadian Rockies; Wells Gray Provincial Park; Edgewood Blue
</p>
This is a neat organism, because it represents one of only a few instances where basidiomycetes (mushroom-forming fungi) have become lichenized.  (Another is Multiclavula.) Normally this is the domain of ascomycetes (cup fungi)... for reasons no one really understands. It has been hypothesized based on chemical evidence that all today's existing ascomycetes (including improbably morels and truffles) once passed through an ancestral stage that was lichenized. Whatever the case, basidios are only just beginning to "catch on", as it were.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/7147684@N03">Jason Hollinger</a>
CC BY 2.0
<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/7147684@N03/2533990229">Lichenomphalia umbellifera</a>