Observation 105003: Lecidea fuscoatra (L.) Ach.
When: 2012-03-26
(34.218° -118.142° 680m)
Herbarium specimen reported

Notes: HABITAT open oak forest on steep north slope; SUBSTRATE granitic rock; ASPECT open; NOTES rimose to small-subsquamulose gray to brownish thallus, cortex K- C+r KC+r UV-, medulla white K- C- KC- UV- or some C+ KC+ bleeding in from cortex, black angular apothecia inset between areoles, faintly pruinose, black prominant rim becoming even, apothecia plane and round to angular and slightly convex, epihymenium brown POL+, exciple brown POL+, hymenium hyaline POL-, hypothecium dark brown POL- medulla white ~POL+, hymenium I+ red-brown (Lugol’s), medulla I-; SPORES 8 per ascus, hyaline, simple, ellipsoid, some oil drops near ends inside, 11-13 × 6-7 µm.


On exposed granitic rock.
Apothecia, at 30×.
Apothecia, at 10×.

Proposed Names

87% (1)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2012-08-13 00:31:59 CDT (-0500)
Last modified: 2012-08-13 00:32:03 CDT (-0500)
Viewed: 97 times, last viewed: 2016-10-28 01:27:32 CDT (-0500)
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