Observation 105142: Lecanora stenotropa Nyl.
When: 2012-08-03
(34.2502° -118.099° 1480m)
Herbarium specimen reported

Notes: HABITAT road-cut on very steep north slope; SUBSTRATE sheer smooth north face of granitic bedrock; ASPECT mostly shaded; NOTES smooth waxy yellow-tan thallus, K~ dingy C- KC+ gold (at least on epihymenium) P- UV- 350nm UV~y? 370nm, apothecia lecanorine flexuous crowded, disk convex to flexuous pale yellowish-tan, rim thick prominent thalline smooth shiny becoming flush, epihymenium with abundant golden-brown POL+ granules clearing in K, hymenium hyaline not inspersed or only at top, hypothecium hyaline, amphithecium with discontinuous algae POL-, cortex POL+ not clearing in K ~30-40 µm at side to 100+um below; SPORES 8 per ascus, oblong, hyaline, simple, smooth, ~13-15 × 4 µm.

Images

249195
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Nice one.
249196
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Old one.
249197
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Old one.
249198
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Young one.
249199
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Young apothecia, at 30x, stacked.
249200
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Mature apothecia, at 30x, stacked.
249201
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Old apothecia, at 30x, stacked.
249202
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Apothecial section, in water, at 100×.
249203
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Apothecial section, in water, at 100x, cross-polarized.
249204
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Apothecial section, in K, at 100×.
249205
20120803-131.jpg
Apothecial section, in K, at 100x, cross-polarized.

Proposed Names

87% (1)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2012-08-13 21:03:36 EDT (-0400)
Last modified: 2012-08-13 21:03:40 EDT (-0400)
Viewed: 43 times, last viewed: 2017-04-06 22:14:43 EDT (-0400)
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