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

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

Images

395361
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.
395362
Umbilicaria mammulata on Pegmatite
395363
Umbilicaria mammulata
Found this lichen growing in the shade on a outcrop of pegmatite in Walpole, New Hampshire, USA.

Proposed Names

84% (1)
Eyes3
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 09:01:44 COT (-0500)
Last modified: 2014-02-06 17:30:44 COT (-0500)
Viewed: 23 times, last viewed: 2014-04-05 20:41:16 COT (-0500)
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