Observation 64842: Xanthomendoza fallax (Hepp ex Arnold) Søchting, Kärnefelt & S. Kondr.
When: 2011-03-24
No herbarium specimen

Notes: common, especially on bark of hardwoods (gambel oak, cottonwood, aspen)

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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I didn’t see the note
By: Metalbator (Metalbator)
2013-11-08 06:24:09 MST (-0700)

I do not know X. Montana, a western species, so you may be right.

I agree
By: Jason Hollinger (jason)
2013-11-07 09:32:50 MST (-0700)

See notes for the image. I was assuming the fertile one was X. montana, but I confess I didn’t check the spores. I think we can rule out Xanthoria polycarpa, though, since that species has much more terete or at least subterete lobes. This stuff is clearly broadly foliose.

2 Teloschistaceae?
By: Metalbator (Metalbator)
2013-11-05 07:55:26 MST (-0700)

Looks like there’s 2 Xanthomendoza here: X. fallax (center right) and X. hasseana or Xanthoria polycarpa (the fertile one)?

Created: 2011-03-27 18:26:59 MST (-0700)
Last modified: 2013-11-05 07:57:18 MST (-0700)
Viewed: 46 times, last viewed: 2017-06-17 14:38:46 MST (-0700)
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