Observation 217825: Umbilicaria crustulosa (Ach.) Frey
When: 2015-10-03
Who: zaca
No herbarium specimen

Notes: Growing on siliceous rock.

Images

561402
561403
Underside of thallus.
562640
Microscopy. Apothecial section;
562641
Microscopy: Asci and spores.

Proposed Names

58% (1)
Recognized by sight
86% (1)
Eye3 Eyes3
Used references: 1) British Flora 2) AFL: http://www.afl-lichenologie.fr/...
Based on microscopic features

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Microscopy added.
By: zaca
2015-10-09 13:48:37 CDT (-0500)

Spores:
(17.8) 20.3 – 24 (24.1) x (10.7) 13.4 – 17.5 (18.6) µm
Q = (1.2) 1.3 – 1.6 (1.7) ; N = 27
Me = 22.1 × 15.6 µm ; Qe = 1.4 .

Created: 2015-10-05 18:11:28 CDT (-0500)
Last modified: 2015-10-09 15:37:35 CDT (-0500)
Viewed: 22 times, last viewed: 2016-10-20 16:12:19 CDT (-0500)
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