Observation 102213: Umbilicaria mammulata (Ach.) Tuck.
When: 2012-07-17
Collection location: Maine, USA [Click for map]
No herbarium specimen

Proposed Names

29% (1)
Eye3
Recognized by sight
56% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Might consider U. americana, too.
By: Jason Hollinger (jason)
2012-07-19 17:54:21 PDT (-0700)

But it would normally be much more obviously whitish/pruinose-looking. They can apparently be difficult to distinguish at times.

Created: 2012-07-19 17:45:33 PDT (-0700)
Last modified: 2012-07-19 17:53:52 PDT (-0700)
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