Observation 103176: Arthonia albopulverea Nyl.
When: 2012-01-18
(33.797° -118.4078° 24m)
Herbarium specimen reported

Notes: HABITAT chaparral on sea cliffs in small west-facing cove; SUBSTRATE branch of Rhus at edge of beach; ASPECT partly sunny; NOTES thin indistinct whitish crust, no algae, K- C- KC-, small semi-immersed very thin irregular polygonal to elongate black apothecia, epihymenium gray-brown unchanged in K, hymenium hyaline I+r KI+b, asci balloon-shaped with much-thickened tip in K KI+ pale blue, spores 8 per ascus and small (~10 µm long).

Images

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20120118-113.jpg
At 30x, stacked.
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20120118-3.jpg
On branch by beach.

Proposed Names

-29% (1)
Recognized by sight
87% (1)
Eye3 Eyes3
Used references: det. by K. Knudsen

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2012-07-28 01:50:37 PDT (-0700)
Last modified: 2012-08-18 23:55:54 PDT (-0700)
Viewed: 24 times, last viewed: 2016-10-27 16:05:20 PDT (-0700)
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