Observation 102250: Micarea denigrata (Fr.) Hedl.
When: 2011-09-28
(34.0806° -118.7479° 622m)
Herbarium specimen reported

Notes: HABITAT oldgrowth chaparral and conglomerate outcrops at top of high transverse ridge; SUBSTRATE north face of conglomerate cliff; ASPECT shaded; NOTES olive-brown lumpy crust with abundant tiny globose black apothecia, epihymenium dark brown POL- turning briefly reddish in K before clearing, hymenium and hypothecium hyaline, algae and hyphae POL+ clearing in K, C+p fleeting in section, paraphyses hard to separate in water but easy to separate in K, asci tiny with pale KI+blue walls and strongly KI+blue square tip with no sign of channel or other structure?; SPORES 8 per ascus, fusiform, hyaline, smooth, 1-3-septate, 10-12 × 2.5 µm, KI-.

Images

240173
20110928-339.jpg
Thallus, at 30x, stacked.
240174
20110928-127.jpg
Apothecial section, in water, at 400×.
240175
20110928-128.jpg
Apothecial section, in water, at 400x, cross-polarized.

Proposed Names

58% (1)
Eye3 Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2012-07-20 02:32:57 EDT (-0400)
Last modified: 2012-07-20 02:33:00 EDT (-0400)
Viewed: 44 times, last viewed: 2014-09-28 11:40:33 EDT (-0400)
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