Observation 10317: Cyphelium tigillare (Ach.) Ach.
When: 2008-06-24
Herbarium specimen reported

Notes: crustose lichen, on juniper wood
THALLUS: bright yellow-green, rimose, dull, K-, KC-, C-
APOTHECIA: mazaediate, black, semi-immersed (fully immersed when very young), epruinose, exciple wall brown-black and thick below, spore mass brown-black
SPORES: 2 cell, constricted, essentially smooth, dark brown, 19+/-1 × 12/-0.9 µm (Q=1.5/-0.1) (N=11)

How exciting! A non-stalked calicioid lichen!

Images

19322
30x magnification
19323
Apothecial sections, in water, at 100×.
19324
Spores, in water, at 1000×.

Proposed Names

-29% (1)
Used references: Nash’s Sonoran Flora
87% (1)
Eye3 Eyes3
Used references: Curtis Björk insists this has immersed apothecia; I defer to his better judgement.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2008-09-01 17:05:36 CDT (-0400)
Last modified: 2012-01-21 14:50:27 CST (-0500)
Viewed: 40 times, last viewed: 2017-06-05 02:40:47 CDT (-0400)
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