Observation 156853: Umbilicaria mammulata (Ach.) Tuck.

When: 2013-06-12

Collection location: Walpole, New Hampshire, USA [Click for map]

Who: mnerrie

No specimen available

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

Species Lists


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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= Observer’s choice
= Current consensus


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Created: 2014-01-01 12:01:44 -02 (-0200)
Last modified: 2014-02-06 20:30:44 -02 (-0200)
Viewed: 24 times, last viewed: 2017-06-17 21:40:58 -03 (-0300)
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