Notes: Location: 35°12’48.33"N, 85°54’14.26"W, el. 524 m. Piney Point Trail.
Substrate: Growing on the gnarled base of a small maple, Acer, within a few cm of the ground..
Habitat: Low, open, pine-oak woodland on thin, sandy soil over sandstone at the edge of the western escarpment of the Cumberland Plateau.
Common name: powdered fringe lichen
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Good show! I’ve never even heard of it! :) I’ll have to take a look at mine, now, too…
You’re quite right to try to be careful, even with commonly seen local lichens. I just discovered this week that the mostly unheard of Canoparmelia amabilis was described in 1999 from the Obed River on the Cumberland Plateau not too far NE of here. It is distinguished from the common Canoparmelia caroliniana by its coralloid isidia and lighter-colored lower cortex. Yikes … !! My photos of Canoparmelia caroliniana from Sewanee show both of those features. I even called them coralloid isidia in a caption on one of the photos in MO Observation 19462. I hope to send some local specimens off to James Lendemer for an expert opinion.
I want to see the range of variation in the members with corticate underside…
Also, wish we could find a verifiable specimen of this questionable H. pseudospeciosa. Since this is on a tree, I suppose it probably has no chance of being it. Too bad. Did you see the thing I posted on flickr from Nantahala Gorge? I need to send part of that to James for verification. If it’s supposed to be diminutive, then there’s no way that can be H. pseudospeciosa… Damn damn damn, we just need more observations, I guess…
I’m all for superior work! :-)
We’ve come to expect superior work from you, Chris! ;)
Created: 2010-04-11 09:52:26 PDT (-0700)
Last modified: 2010-04-11 09:52:27 PDT (-0700)
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