Observation 115750: Umbilicaria muehlenbergii (Ach.) Tuck.
When: 2012-09-01
Herbarium specimen reported

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Specimen confirmed by Jim Bennett
By: Andrew Khitsun (Andrew)
2013-12-29 16:39:18 PST (-0800)
Yeah, these are beauties
By: Jason Hollinger (jason)
2012-11-04 22:27:49 PST (-0800)

What they’re “supposed” to look like when they’re happy.

Always on tops of bluffs, fully exposed
By: Andrew Khitsun (Andrew)
2012-11-04 16:20:17 PST (-0800)

Could be either on vertical, horizontal or angled surfaces. This is the first batch I discovered with well-developed apothecia. Previously, I’ve seen them but for a long time didn’t realise what I was looking at, because without apothecia they often blend in with, lets say, Lasallia papullosa (see photos 4 & 5 from the top). I also remember confusing a batch of the small-sized ones for Dermatocarpon miniatum.

Created: 2012-11-04 16:07:03 PST (-0800)
Last modified: 2015-12-16 11:47:49 PST (-0800)
Viewed: 66 times, last viewed: 2016-10-08 20:04:47 PDT (-0700)
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