Observation 87796: Xanthomendoza fallax (Hepp ex Arnold) Søchting, Kärnefelt & S. Kondr.
When:
2012-02-15
Collection location:
White Lake, Oakland Co., Michigan, USA [Click for map]
Who: Insomnia
Herbarium specimen reported
Images
| User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
| Vote | Score | Weight | Users | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I’d Call It That | 3.0 | 3.62 | 1 | (Insomnia) | |||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 0.00 | 0 | ||||||
| Doubtful | -1.0 | 5.42 | 1 | (jason) | |||||
| Not Likely | -2.0 | 0.00 | 0 | ||||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
0.54 | 18.05% | |||||||
| User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
| Vote | Score | Weight | Users | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I’d Call It That | 3.0 | 5.42 | 1 | (jason) | |||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 0.00 | 0 | ||||||
| Doubtful | -1.0 | 0.00 | 0 | ||||||
| Not Likely | -2.0 | 0.00 | 0 | ||||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
2.53 | 84.42% | |||||||
Comments
Add CommentCreated: 2012-02-15 03:46:18 CST (-0600)
Last modified: 2012-02-15 12:59:18 CST (-0600)
Viewed: 37 times, last viewed: 2017-06-10 09:14:18 CDT (-0500)
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Probably at least one or two other species of Xanthoria on this tree if you looked closely, but everything I can see in the photos is X. fallax. It has distinctive-looking soralia where the upper and lower cortex separate and the medulla in between breaks down into soredia. It’s often described as “birds nest soralia”. This is a fair example of it, but Chris Parrish (and maybe other users) have some particularly excellent photos of this species on MO that might be worth looking at.
[See observation 50364, for example.]