Observation 102230: Lecanora pseudistera Nyl.

When: 2011-09-28

Collection location: Castro Crest, Malibu Creek State Park, Los Angeles Co., California, USA [Click for map]

34.0809° -118.7558° 628m

Who: Jason Hollinger (jason)

Specimen available

Notes:
HABITAT oldgrowth chaparral and conglomerate outcrops at top of high transverse ridge; SUBSTRATE conglomerate outcrop on top of ridge; ASPECT shaded; NOTES well-developed whitish verruculose crust, K+y C- KC- UV- 350-375nm, very dense sessile to constricted apothecia, rim very even thin smooth thalline, disk dark red-brown epruinose flat to slightly convex, epihymenium brown but POL- and not clearing in K, amphithecium full of algae and coarse POL+ crystals not clearing in K, cortex of amphithecium very distinct and uniform 15 µm POL+ clearing in K; SPORES 12 × 7.5 µm.

Images

240103
20110928-2.jpg
Gorgeous shaded patch.
240104
20110928-149.jpg
Thallus, at 30×.
240105
20110928-150.jpg
Apothecial section, in water, at 100×.
240106
20110928-151.jpg
Apothecial section, in water, at 100x, cross-polarized.

Proposed Names

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Created: 2012-07-20 08:07:54 CEST (+0200)
Last modified: 2012-07-20 08:08:02 CEST (+0200)
Viewed: 15 times, last viewed: 2017-10-03 09:23:29 CEST (+0200)
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