Observation 110908: Fuscopannaria leucosticta (Tuck.) P.M. Jørg.
When: 2012-09-23
No herbarium specimen

Notes: Wet specimen, will update with dry photos asap. Thallus dia. approx. 7-8cm. Found growing in a marshy location near other cyanolichens, nearby to a 4-wheeler route.

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Eye3 = Observer’s choice
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Yes, lobe size
By: Jason Hollinger (jason)
2012-09-23 16:48:43 CDT (-0500)

Big diff between Fuscopannaria and Pannaria is the former is squamulose the latter foliose… as a general rule at least. Meaning Fuscopannaria is made of ~separate little scales, although sometimes overlapping shingle-like and becoming ~confluent. Pannaria has elongate lobes forming a single contiguous mass. The felty prothallus is hit or miss, but more typical of Fuscopannaria (and Parmeliella). One good trick that at least seems to work in practice is to look around the periphery for tiny “budding” scales completely separate from the rest of the thallus. Just looked at all my photos, and this seems to work very well.

Too small lobes?
By: Jess (Cosham)
2012-09-23 16:36:27 CDT (-0500)

With respect with this being too small for P. rubiginosa – were you referring to the lobe size? I had been wondering about this. Either way, thank you for the identification.

Too small for Pannaria
By: Jason Hollinger (jason)
2012-09-23 14:09:40 CDT (-0500)

I think this is Fuscopannaria. F. leucosticta is very common, at least in southern mountains. Probably up there, too.

Created: 2012-09-23 09:35:38 CDT (-0500)
Last modified: 2012-09-23 16:32:20 CDT (-0500)
Viewed: 66 times, last viewed: 2016-10-27 12:42:09 CDT (-0500)
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