Observation 90989: Xanthomendoza hasseana (Räsänen) Søchting, Kärnefelt & S.Y. Kondr.
When: 2012-03-25
Herbarium specimen reported

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Groan!
By: Jason Hollinger (jason)
2012-03-27 22:33:07 BST (+0100)
Thank you.
By: Andrew Khitsun (Andrew)
2012-03-27 22:24:26 BST (+0100)

Now I have the right haptitude regarding the issue.

We haven’t documented the underside of Xanthoria well on MO yet
By: Jason Hollinger (jason)
2012-03-27 06:32:05 BST (+0100)

Here are two images of the underside of Xanthoria elegans. You can kind of see the hapters:


An example of X. hasseana with obvious rhizines:

hapters vs. rhizines
By: Chris Parrish (kitparrish)
2012-03-27 06:11:26 BST (+0100)

US Forest Service drawings of hapters vs. rhizines

Are there any especially useful MO photos to point to?

Ha!
By: Jason Hollinger (jason)
2012-03-27 02:25:14 BST (+0100)

Hapters are stubby little pegs, versus the usual long root-like rhizines.

Hapters, anyone?
By: Andrew Khitsun (Andrew)
2012-03-27 02:15:15 BST (+0100)

K+ wine-red. The difference between this species and X.polycarpa is: the latter is supposed to have hapters instead of rhizines. Give me a break – Microsoft Word doesn’t even know what “rhizines” are, so how am I supposed to know what “hapters” are? :-)

Created: 2012-03-27 02:06:12 BST (+0100)
Last modified: 2012-03-27 02:25:36 BST (+0100)
Viewed: 63 times, last viewed: 2016-10-28 22:32:27 BST (+0100)
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