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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By: Jason Hollinger (jason)
2012-03-27 14:33:07 PDT (-0700)
Thank you.
By: Andrew Khitsun (Andrew)
2012-03-27 14:24:26 PDT (-0700)

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)
2012-03-26 22:32:05 PDT (-0700)

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)
2012-03-26 22:11:26 PDT (-0700)

US Forest Service drawings of hapters vs. rhizines

Are there any especially useful MO photos to point to?

By: Jason Hollinger (jason)
2012-03-26 18:25:14 PDT (-0700)

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

Hapters, anyone?
By: Andrew Khitsun (Andrew)
2012-03-26 18:15:15 PDT (-0700)

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: 2012-03-26 18:06:12 PDT (-0700)
Last modified: 2012-03-26 18:25:36 PDT (-0700)
Viewed: 63 times, last viewed: 2016-10-28 14:32:27 PDT (-0700)
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