Observation 12286: Lecanora cenisia Ach.
When: 2008-10-01
Herbarium specimen reported

Notes: crust lichen, on granite
THALLUS: ashen white, remose, indistinct margin, K+y, dull
APOTHECIA: lecanorine; rim like thallus, even to slightly prominant, smooth, persistant; disc dark reddish brown, plane, weakly pruinose; epihymenium brown, some POL+ white small granules inspersing into upper hymenium and clearing in K; hymenium clear; hypothecium clear; amphithecium with lots of algae, algae not continuous, cortex and medulla strongly POL+ white and not clearing in K; paraphyses unbranched, not conglutinated, barely swollen at tips
SPORES: 8 per ascus, clear, simple, ellip, 13-15 × 8.0-9.3 µm (Q=1.4-1.8) (N=3)


at 10x
at 30x
Apothecial section, in water, at 100×.
Apothecial section, in water, at 100x, cross-polarized.
Apothecial section, in K, at 100x, cross-polarized.
Ascus with spores, in water, at 1000×.

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Nash’s Sonoran Flora
Based on microscopic features
Based on chemical features

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2008-10-10 13:29:38 CDT (-0500)
Last modified: 2008-10-10 13:29:38 CDT (-0500)
Viewed: 31 times, last viewed: 2017-07-27 22:18:55 CDT (-0500)