Observation 105105: Lecanora subrugosa Nyl.

When: 2012-08-03

Collection location: San Gabriel Peak, San Gabriel Mountains, Los Angeles Co., California, USA [Click for map]

34.2508° -118.1064° 1642m

Who: Jason Hollinger (jason)

Specimen available

Notes:
HABITAT shady oak forest high on north slope; SUBSTRATE Quercus chrysolepis bark; ASPECT mostly shaded; NOTES bumpy greenish-grayish crust with thin white margin, K+y fairly strong C- KC- UV- 350nm, apothecia initially almost flush with thallus, disk red-brown dark epruinose, margin thick bumpy shiny concolorous with thallus, epihymenium pale brown POL-, hymenium hyaline POL- not inspersed, amphithecium with abundant large POL+ crystals persistent in K, thin cortex; SPORES 8 per ascus, ellipsoid, hyaline, smooth, simple, ~12-13 × 6-7 µm.

Images

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20120803-296.jpg
Margin and apothecia, at 30x, stacked.
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20120803-108.jpg
Apothecial section, in water, at 100×.
249053
20120803-109.jpg
Apothecial section, in water, at 100x, cross-polarized.
249054
20120803-110.jpg
Apothecial section, in K, at 100×.

Proposed Names

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Created: 2012-08-13 17:35:06 PDT (-0700)
Last modified: 2012-08-13 17:35:10 PDT (-0700)
Viewed: 17 times, last viewed: 2017-06-13 16:45:57 PDT (-0700)
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