Observation 20037: Peltigera Willd.
When: 2009-03-31
Collection location: Istanbul, Turkey [Click for map]
Herbarium specimen reported
0 Sequences

Notes:
Found among moss. Looks like the leaves of cabbage. There are firs and oaks around. Has a leathery structure. On the back side, there are protrusions (spines) like the ones on a sea urchin but they are very soft and flexible.

Proposed Names

-80% (1)
Recognized by sight
56% (1)
Eyes3
Recognized by sight: I would call this a dog’s lichen, Peltigera sp.
55% (1)
Recognized by sight: This looks a lot like yours, Adnan. It even has those spines.
http://www.lichens.lastdragon.org/Peltigera_membranacea.html
Thanks, Gerhard, for winnowing it down to a genus!

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Incidentally…
By: Jason Hollinger (jason)
2009-04-08 12:51:55 CDT (-0500)

Thanks for taking a photo of the underside! It is especially critical for identification within Peltigera: appearance and distribution of rhizines, whether the veins are raised or colored or narrow, and presence of tomentum are all important.

P. membrancea quite possible
By: Jason Hollinger (jason)
2009-04-08 12:47:40 CDT (-0500)

But it’s hard to be 100% sure without a few details: P. membranacea should have “fuzzy, rope-like” rhizines (as opposed to smooth); and it should have a heavily tomentose surface (I can’t tell from the photo if it is merely pruinose or powdery instead of hairy, although I think it’s unusual for pruinose species to be that heavily frosted).

Created: 2009-04-07 09:30:08 CDT (-0500)
Last modified: 2009-04-07 09:30:08 CDT (-0500)
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