Observation 87092: Lichen P. Micheli
When: 2012-01-28
No herbarium specimen
0 Sequences

this is the first orange species I’ve seen so far. I’m not sure if it’s just lacking nutrients, polluted, or just an orange species.

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I think you’re right
By: Jason Hollinger (jason)
2012-01-28 22:36:35 GMT (+0000)

This looks most like a sick Heterodermia, maybe H. speciosa. Orange pigment in truly orange species is from anthraquinones (usually) which react very strongly K+ wine/red. This looks too brown. And the overall shape just has the look of Heterodermia, not Xanthoria sensu lato (which would be the prime suspect for truly orange foliose lichens).

Created: 2012-01-28 22:09:55 GMT (+0000)
Last modified: 2012-01-28 22:27:26 GMT (+0000)
Viewed: 17 times, last viewed: 2017-06-10 14:31:12 BST (+0100)
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