Observation 100629: Placynthiella uliginosa (Schrader) Coppins & P. James

When: 2011-06-24

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

36.1599° -82.0928° 1030m

Who: Jason Hollinger (jason)

Specimen available

HABITAT large siliceous outcrop with steep northwestern exposure; SUBSTRATE ground; ASPECT sunny; NOTES granular-verruculose black crust with some orange-olive lumps scattered, K- and C- under LM; ASCOCARP black disk, dark brown raised thin rims, crowded, exciple dark brown with cellular structure, epihymenium brown due to pigmented paraphyses tips, hymenium hyaline to brownish, paraphyses very thin and distantly branched and anastomosing with abruptly swollen tips with brown pigment caps, ascus weakly amyloid with inamyloid cushion at tip; SPORES 8 per ascus, simple, smooth, ellipsoid, hyaline, ~12 × 6 µm

(collected with S. Beeching, M. Hodges)


Thallus, at 30x, stacked.

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Created: 2012-07-16 04:55:53 CST (+0800)
Last modified: 2012-07-16 05:45:07 CST (+0800)
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