Observation 20997: Pseudocyphellaria glabra (J.D. Hook. & Taylor) Dodge
When: 2008-12-20
Herbarium specimen reported

Notes: On twig in damp dark oldgrowth Vadivian rainforest near waterfall in Anticura.

Key characteristics: green algae, white medulla and pseudocyphellae, smooth and glabrous surface above, dark brown tomentum below, apothecia with ragged “crown”, isidia/lobulae along margin and sometimes on surface (very few visible in this specimen).

Chemistry: usnic acid in cortex (KC+ gold), medulla trace amounts of various B-orsinol depsidones (K- or K+ weak yellow to orange).

Note, P. exanthematica shares most of the above features, but is strictly a southern species, ranging only up to 50°S.

Specimen #20081220.9

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Thanks to Tim Wheeler for this ID. Specimens like this scarcely with any isidia do not work in Galloway’s keys at all.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2009-05-14 04:42:24 CEST (+0200)
Last modified: 2009-05-14 04:42:24 CEST (+0200)
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