Observation 100586: Pertusaria rubefacta Erichsen

When: 2011-06-24

Collection location: Roan Mountain State Park, Carter Co., Tennessee, USA [Click for map]

36.159° -82.0922° 1062m

Who: Jason Hollinger (jason)

Specimen available

HABITAT open hardwood forest on low knob; SUBSTRATE Quercus bark; ASPECT partly sunny; NOTES yellowish, cortex UV+ weak and C+y/o, medulla K+y-r bright producing norstictic acid crystals, ostiole inset and dark but epihymenium apparently K- in some or K+v in darkest; SPORES > 5 per ascus, smooth walls, ~100 × 40 µm

(collected with S. Beeching, M. Hodges)


Thallus, at 30x, stacked.

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Created: 2012-07-15 22:45:41 CEST (+0200)
Last modified: 2012-07-15 23:45:06 CEST (+0200)
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