Notes: Location: 35°12’38.36"N 85°54’0.40"W el. 587 m, Beckwith’s Point Trail.
Substrate and habitat: Many rosettes and small irregular clumps of less-organized squamules and thalli growing from 0.5 to 3 m above the ground on a slender hardwood tree with rough, furrowed bark and about 12 cm DBH, in oak-hickory woodland near the rim of a canyon, on the western rim of the Cumberland Plateau. The squamulate growth form was on a nearby smooth-barked tree.
medulla: C-, K-, KC-, Pd-.
Identification: Phaeophyscia growing in the form of rosettes, fields of squamules and short lobes, or various stages in between; thallus deep green when wet, and brownish gray when dry; soredia prominently displayed as light greenish pompons held high on the upraised ends of short lateral branches, producing a very distinctive effect; medulla white; rhizines black, abundant, forming a wiry cushion underneath and around the rosettes
The small rosette on the lefthand side of photos 81320, 81321, and 81323 is Pyxine subcinerea.
United States, Tennessee, Franklin County, Sewanee, Beckwith’s Point Trail. 12 Mar 2010. Chris Parrish 0075, det. James C. Lendemer (NY).
Common name: pompon shadow lichen.
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Created: 2010-03-16 02:21:59 CDT (-0400)
Last modified: 2010-06-09 03:02:19 CDT (-0400)
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