Observation 88680: Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale
When: 2009-07-20
No herbarium specimen

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Thanks for the correction!
By: Jason Hollinger (jason)
2012-03-06 16:32:25 PST (-0800)

Both plittii and conspersa have stictic + norstictic (K+y to red). Difference is lower surface as you say. Sorry!

X.conspersa or X.plittii
By: Andrew Khitsun (Andrew)
2012-03-06 16:24:52 PST (-0800)

Those are the most common here (you’re right – the other two species don’t seem to be well known – I can’t even find any illustrations of X.norhypopsila). X.conspersa is supposed to have black lower surface, while X.plittii – pale to brown lower surface.

Forgot about X. plittii
By: Jason Hollinger (jason)
2012-03-06 16:14:01 PST (-0800)

X. subramigera is a small species, wouldn’t look like this, I think. Never heard of the other two, so maybe we can conclude they are more rare? But both X. conspersa and X. plittii are good possibilities. First is K+y/o, second K+y to red, I think. Otherwise, probably not vastly different.

4 or 5 species
By: Andrew Khitsun (Andrew)
2012-03-06 15:23:05 PST (-0800)

Of the isidiate species, there are (per Thomson):
Xanthoparmelia conspersa
Xanthoparmelia dierythra
Xanthoparmelia plittii
Xanthoparmelia subramigera
Another, recently added species, is Xanthoparmelia norhypopsila, but I don’t know if it’s isidiate. Perhaps, thre are more fresh records from CNALH?

There aren’t that many Xanthoparmelia in the east, right?
By: Jason Hollinger (jason)
2012-03-06 00:03:56 PST (-0800)

Well, sure there are lots, but there aren’t insane numbers like in the desert southwest. (If that’s a lot, look at a checklist for South Africa someday.:) This is entirely plausible. Spot test verification would be nice, but the odds are good anyway.

Tentative ID
By: Andrew Khitsun (Andrew)
2012-03-05 19:55:53 PST (-0800)

No specimen were taken, only visual ID, for what’s it worth (not much, I guess).

Created: 2012-03-05 18:53:07 PST (-0800)
Last modified: 2012-03-05 19:53:54 PST (-0800)
Viewed: 101 times, last viewed: 2015-06-10 15:42:07 PDT (-0700)
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