Observation 104998: Aspicilia cyanescens Owe-Larss. & A. Nordin
When: 2012-03-26
(34.218° -118.142° 680m)
Herbarium specimen reported

Notes: HABITAT open oak forest on steep north slope; SUBSTRATE rotten granitic rock; ASPECT mostly shaded; NOTES strongly verruculose dull pale gray crust, K- C- KC- UV-, apothecia lecanorine, epihymenium strong green turning pale olive brown in K, visible proper exciple between epihymenium and amphithecial cortex all made of round cells, hymenium hyaline and inspersed with pockets of tiny bubbles, hypothecium hyaline, outer edge of amphithecial cortex POL+ not clearin in K, all else POL-, last 3-4 cells of paraphyses moniliform; SPORES 8 per ascus, football-shaped, hyaline, thick walled?, ~20 × 10 µm.

Can’t find pycnidia. The emerald-green epihymenium and habitat suggest A. cyanescens despite being seemingly overly verrucose.

Images

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On rotten granitic outcrop, damp.
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At 10×.
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At 30×.
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Apothecial section, in water, at 100×.
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Apothecial section, in water, at 100x, cross-polarized.
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Apothecial section, in water, at 400x, showing exciple and amphithecium.
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Apothecial section, in K, at 100×.
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Apothecial section, in K, at 100x, cross-polarized.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2012-08-13 00:27:35 COT (-0500)
Last modified: 2012-08-13 00:27:46 COT (-0500)
Viewed: 39 times, last viewed: 2015-11-28 15:51:51 COT (-0500)
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