Your photo is of Lobaria quercizans. I was pretty sure but the apothecia color and looked a little funny to me so I sent your photo to a friend at NYBG. Here is his reply:
Yes, it’s L. quercizans, the lobes just look weird. Can’t be anything else in those parts.
|title||lobaria quercizans, sea branch, cades cove, great smoky mountains national park, blount county, tennessee 1|
|date yyyymmdd hr:mn||2009:08:11 15:51:27|
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Updated: 2018-08-17 05:42:05 gmt