Observation 105140: Buellia penichra (Tuck.) Hasse

When: 2012-08-03

Collection location: San Gabriel Peak, San Gabriel Mountains, Los Angeles Co., California, USA [Click for map]

34.2544° -118.1024° 1470m

Who: Jason Hollinger (jason)

Specimen available

HABITAT open oak-conifer forest at base of very steep rocky north slope; SUBSTRATE base of Pseudotsuga macrocarpa; ASPECT mostly open; NOTES pale gray verrucose thick thallus, both cortex and medulla K+y C- KC+gold(?!) UV- 350-370nm, black discose apothecia, disc flexuose epruinose, rims black prominent even smooth, epihymenium dark brown POL-, hymenium hyaline inspersed?, hypothecium dark brown POL-, medulla POL+, paraphyses with dark brown pigment caps on abruptly swollen tips; SPORES ? per ascus, ellipsoid, gray to brown at maturity, 2-8 cells submuriform, ~20-22 × 12-13 µm.


At 30x, stacked.
Apothecial section, in water, at 100×.
Apothecial section, in water, at 100x, cross-polarized.

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Created: 2012-08-13 18:02:42 PDT (-0700)
Last modified: 2012-08-13 18:02:46 PDT (-0700)
Viewed: 12 times, last viewed: 2018-01-05 06:30:38 PST (-0800)
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