Observation 99004: Lecanora polytropa group

When: 2012-07-02

Collection location: Hvalfjordur Fjord, Iceland [Click for map]

Who: damon brunette (damonbrunette)

No specimen available

Proposed Names

0% (2)
Recognized by sight
56% (1)
Recognized by sight: pale discs with narrow rims and poorly developed crust, on noncalcareous rock
Used references: British Flora
Based on chemical features: assuming the yellowish appearance is from xanthones or usnic acid

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I bet this is an usnic Lecanora
By: Jason Hollinger (jason)
2012-07-06 09:45:58 AEST (+1000)

Surprisingly, there are very few Lecanora on noncalcareous rock with usnic acid and yellowish disks. I get only L. polytropa and L. stenotropa (British Flora).

Created: 2012-07-03 12:07:52 AEST (+1000)
Last modified: 2012-07-06 09:47:38 AEST (+1000)
Viewed: 20 times, last viewed: 2018-02-07 21:33:45 AEST (+1000)
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