Observation 197962: Acarospora stapfiana (Müll. Arg.) Hue
When: 2014-10-04
(38.9905° -114.3198° 3696m)

Notes: on Caloplaca trachyphylla on quartzite; rocky broad northwestern ridge of summit, geology a mixture of siliceous metamorphic rocks; on broad ridge about 0.4 miles northwest of west peak (about 75m west of main peak)

thallus crowded-areolate bright yellow epruinose, areoles tall and stipe-forming with ~flat tops angular, cortex ~50um with half yellow-brown no epinecral layer C- in section (twice), algal layer thick with a few scattered hyphal bundles penetrating (best seen as C starts to clear it), apothecia flush rough dark brown angular epruinose, epihymenium red-brown, hymenium ~125um, parathecium much expanded at top, paraphyses with 1 to a few swollen cells at tips with dark brown cap ~3um at tip, spores many per ascus ~3.5-4.5×2.5-3um

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Created: 2015-02-03 00:22:18 MST (-0700)
Last modified: 2015-02-03 00:22:21 MST (-0700)
Viewed: 6 times, last viewed: 2015-02-03 14:13:23 MST (-0700)
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