Observation 102902: Lecanora albella (Pers.) Ach.

When: 2011-09-28

Collection location: Corral Canyon Park, Los Angeles Co., California, USA [Click for map]

34.0386° -118.7462° 39m

Who: Jason Hollinger (jason)

Specimen available

HABITAT recently burned open live oak forest near mouth of creek by ocean; SUBSTRATE upper side of scorched Quercus agrifolia limb in canopy; ASPECT partly shaded; NOTES lumpy creamy-whitish crust, K+y-r blood C- KC+rose UV- 350nm, rim smooth to somewhat bumpy thick and persistent, disc heavily white pruinose and to 1.5mm wide, epihymenium dark brown POL+ clearing in K, amphithecium with tiny POL+ crystals clearing in K, algae almost continuous, cortex ~50 µm thick on rims; SPORES 8 per ascus, hyaline, smooth, simple, ellipsoid, 13-14 × 8-9 µm.


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

Proposed Names

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Created: 2012-07-26 02:52:17 -05 (-0500)
Last modified: 2012-07-26 02:52:21 -05 (-0500)
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