When: 2009-04-04

Collection location: Madison, Wisconsin, USA [Click for map]

Who: Andrew Khitsun (Andrew)

No specimen available

Images

Proposed Names

29% (1)
Recognized by sight
47% (2)
Based on chemical features: if K+ yellow turning bright red; also consider A. caesiocinerea which is K-; perhaps others, as well?

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= Observer’s choice
= Current consensus

Comments

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I thought about it.
By: Andrew Khitsun (Andrew)
2011-04-11 07:44:32 AEST (+1000)

I thought it might be A.cinerea, which takes all kinds of forms and patterns. I just wasn’t sure it can get this much warty – it almost looks like Pertusaria species. I used to think Aspicilia would be a bit flatter. I have several more photos of what looks like the same species that I’ll post later. Wisconsin should have 5 species of Aspicilia. “Lichens of Wisconsin” differentiates between A.cinerea and A.caesiocinerea based on number of apothecia in areoles – usually one in A.caesiocinerea and 1, 2 or more in A.cinerea. What do you think about this method? I lack any chemicals at all to test and don’t have microscope powerful enough to see spores.

Created: 2011-04-11 06:26:19 AEST (+1000)
Last modified: 2015-05-12 13:13:38 AEST (+1000)
Viewed: 67 times, last viewed: 2019-08-29 12:40:10 AEST (+1000)
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