Observation 87796: Xanthomendoza fallax (Hepp ex Arnold) Søchting, Kärnefelt & S. Kondr.

When: 2012-02-15

Collection location: White Lake, Oakland Co., Michigan, USA [Click for map]

Who: Insomnia

Specimen available

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By: Jason Hollinger (jason)
2012-02-16 05:59:06 AEDT (+1100)

Probably at least one or two other species of Xanthoria on this tree if you looked closely, but everything I can see in the photos is X. fallax. It has distinctive-looking soralia where the upper and lower cortex separate and the medulla in between breaks down into soredia. It’s often described as “birds nest soralia”. This is a fair example of it, but Chris Parrish (and maybe other users) have some particularly excellent photos of this species on MO that might be worth looking at.

[See observation 50364, for example.]

Created: 2012-02-15 20:46:18 AEDT (+1100)
Last modified: 2012-02-16 05:59:18 AEDT (+1100)
Viewed: 37 times, last viewed: 2017-06-11 00:14:18 AEST (+1000)
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