Observation 103477: Physcia aipolia (Ehrh. ex Humb.) Fürnr.

When: 2012-07-31

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

Who: Andrew Khitsun (Andrew)

Specimen available

Proposed Names

76% (2)
Eye3 Eyes3
Recognized by sight
Used references: ID confirmed by Jason Hollinger

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Yes, definitely leave this one!
By: Jason Hollinger (jason)
2012-07-31 14:58:05 PDT (-0700)

I’ve certainly never seen it on rock before. I can’t be the only one. :)

Lack of apothecia was a concern for me too.
By: Andrew Khitsun (Andrew)
2012-07-31 13:18:07 PDT (-0700)

I thought I was missing something and this was totally different species. We have plenty of P. aipolia on MO, but I’ll leave this one here since it’s so rare on rocks.

I agree completely
By: Jason Hollinger (jason)
2012-07-31 13:07:21 PDT (-0700)

The British Flora claims it is “rarely on coastal rocks and old walls”. It doesn’t look particularly happy to be there. Notice that it’s failing to produce apothecia.

Stumped again
By: Andrew Khitsun (Andrew)
2012-07-31 12:56:21 PDT (-0700)

Can P. aipolia grow on rock? This one is strongly pruinose on lobe tips, medula K+ yellow. It’s on the boulders lining the road at a condo association.

Created: 2012-07-31 12:42:56 PDT (-0700)
Last modified: 2015-12-18 20:15:24 PST (-0800)
Viewed: 25 times, last viewed: 2017-06-13 08:00:05 PDT (-0700)
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