Observation 69285: Pertusaria hymenea (Ach.) Schaerer

When: 2010-09-11

Collection location: Estádio Nacional, Oeiras, Portugal [Click for map]

Who: zaca

No specimen available

Notes:
Ascus with 8 spores. Spores with the following dimensions:
(56.9) 62.2 – 85.8 (95.8) x (30.5) 31.5 – 38.7 (42.1) µm
Q = (1.5) 1.8 – 2.4 (2.6) ; N = 40
Me = 74.3 × 35.7 µm ; Qe = 2.1
Using A Preliminary World-wide Key to the Lichen Genus Pertusaria – Group 20, Pertusaria hymenea is the only with spores of the above dimensions.
See MO69283, and MO68624 for other similar specimens.

Images

151448
151449
151450
Apothecial section.
151451
Apothecial section.
151452
Spores.

Proposed Names

58% (1)
Eye3 Eyes3
Based on microscopic features: See attached photos.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2011-06-15 09:27:34 PDT (-0700)
Last modified: 2011-06-15 09:27:35 PDT (-0700)
Viewed: 17 times, last viewed: 2017-06-09 12:22:33 PDT (-0700)
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