Observation 83013: Physcia aipolia (Ehrh. ex Humb.) Fürnr.
When: 2011-11-06
No herbarium specimen

Notes: Growing in mixed woods on bark with a Lichen.

Proposed Names

28% (2)
Recognized by sight: Jason Hollinger ( http://mushroomobserver.org/observer/show_user/252?q=AZbu )
should be able to give you help with this one.
56% (1)
Eyes3
Recognized by sight: see comment

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Thanks for the info Jason,
By: Matt Sherman (Shermanii)
2012-02-02 04:38:48 CET (+0100)

I appreciate it. I do not have the specimen in my collection, but next time I find a similar specimen I will try the procedure you explained.

I agree with zaca
By: Jason Hollinger (jason)
2011-12-28 19:20:58 CET (+0100)

This must be Physcia, either P. aipolia or P. stellaris. I’m basing this on the abundant apothecia, tiny marginal lobes, and conspicuous white mottling in the center. P. stellaris is said not to have mottling, but I find this emphatically not to be the case, but since it’s so conspicuous in your specimen, I would guess aipolia before stellaris. You can verify if you have access to KOH: scratch the surface off to expose the white medulla and carefully apply a tiny drop to just the medulla. P. aipolia has K+y medulla, P. stellaris is K-. But note that both are K+y on the outer cortex, so care must be taken. Dissecting microscope and toothpick are probably the way to go.

(And the Usnea is probably U. strigosa, possibly U. endochrysea, depending on chemistry. Both the Physcia and Usnea are very common in the Carolina piedmont.)

Thanks Zaca
By: Matt Sherman (Shermanii)
2011-11-23 15:11:59 CET (+0100)

I like the little circular ones, they’re neat. I meant this observation for the circular ones.

Two lichen.
By: zaca
2011-11-22 22:36:24 CET (+0100)

There are two lichen in the photos. The green one on the upper left corner of the first photo is an Usnea sp.. The other one, in the center of the first photo, I think is a Physcia sp., though the photos are not conclusive.

Created: 2011-11-22 19:10:13 CET (+0100)
Last modified: 2011-12-28 19:21:27 CET (+0100)
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