Observation 102898: Arthonia albopulverea Nyl.

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

Notes:
HABITAT recently burned open live oak forest near mouth of creek by ocean; SUBSTRATE smooth bark on young Quercus agrifolia sapling; ASPECT partly shaded; NOTES very thin smooth whitish crust, K- C- KC- UV-, somewhat irregular barely emergent gray-black apothecia, epihymenium dark, hymenium hyaline, no algae or hypothecial tissues, asci globose, hymenium dark blue in Lugol’s or K followed by Lugol’s; SPORES 8 per ascus, hyaline, smooth, obovoid, 3 transverse septae, 1-2 longitudinal septae, ~12 × 6 µm.

Images

242432
20110928-278.jpg
Thallus margin and apothecia, at 30x, stacked.
242433
20110928-121.jpg
Spores, in water, at 1000×.

Proposed Names

29% (1)
Eye3 Eyes3
Recognized by sight

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
No one has commented yet.

Created: 2012-07-26 02:50:07 CDT (-0500)
Last modified: 2012-07-26 02:50:11 CDT (-0500)
Viewed: 7 times, last viewed: 2017-06-13 09:20:46 CDT (-0500)
Show Log