Observation 156853: Umbilicaria mammulata (Ach.) Tuck.
When: 2013-06-12
Who: mnerrie
No herbarium specimen
0 Sequences

An unknown species of Peltigera lichen growing on a outcrop of pegmatite, a type of coarse granite, in Walpole, New Hampshire, USA.


Rock Tripe - Umbilicaria mammulata
This lichen was growing on a north slope in the shade on an outcrop of pegmatite in Walpole, New Hampshire, USA.
Umbilicaria mammulata on Pegmatite
Umbilicaria mammulata
Found this lichen growing in the shade on a outcrop of pegmatite in Walpole, New Hampshire, USA.

Proposed Names

84% (1)
Recognized by sight: Don’t be misled by that Peltigera-like finger sticking up in the first photo! :) Check the lower surface: I think you’ll find it is pure black and completely covered with gnarled black “rhizines”, but with no veins.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2014-01-01 06:01:44 PST (-0800)
Last modified: 2014-02-06 14:30:44 PST (-0800)
Viewed: 24 times, last viewed: 2017-06-17 17:40:58 PDT (-0700)
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