Observation 118904: Dimelaena thysanota (Tuck.) Hale & Culb.
When: 2012-11-28
(34.2659° -117.6576° 2512m)
Herbarium specimen reported

Notes: SUBSTRATE huge granite boulder in pine forest on ridge; ASPECT shaded; NOTES dull dark brown placodioid crust, apothecia cryptolecanorine, disk black, ephymenium dark brown POL+, hypothecium hyaline, medulla POL+ K- C+r KC+r UV+ice strong; SPORES 8 per ascus, gray then brown, septate, constricted around septum, distinct dark torus, lightly textured in lugol’s, ~11-12 × 6-7 µm.

Images

290106
118.jpg
at 30x
289587
20121128-65.jpg
290107
119.jpg
at 30x
290108
71.jpg
apothecial section, in water, at 100x
290109
72.jpg
apothecial section, in water, at 100x, cross-polarized

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Created: 2012-12-04 08:25:48 CET (+0100)
Last modified: 2012-12-05 19:43:06 CET (+0100)
Viewed: 22 times, last viewed: 2016-10-23 12:02:07 CEST (+0200)
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