Notes: Location: 35°13’21.51"N, 85°57’3.86"W, el. 572 m, Rutledge Point Trail.
Substrate and habitat: Growing on an exposed sandstone cliff face, in oak-dominated, eastern deciduous woodland near the western rim of the Cumberland Plateau.
cortex: C-, K-, KC-, Pd- [KC+ yellow expected, usnic acid]
medulla: C-, K-, KC-, Pd-
Identification: A yellow-green, saxicolous Parmotrema with prominent marginal cilia and abundant cylindrical, branching, or coraloid isidia; short setae sometimes emerging from the isidia; lower cortex black. Parmotrema madagascariaceum is “morphologically identical” (Showman and Flenniken, 2004, p.159) and has “the same geographic range” (Brodo, et al., 2001, p.502), but it has a different chemistry.
United States, Tennessee, Franklin County, Sewanee, Rutledge Point Trail. 21 Feb 2010. Chris Parrish 0065, det. James C. Lendemer (NY).
Common name: green ruffle lichen
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Created: 2010-03-04 22:25:32 CST (-0500)
Last modified: 2010-06-09 02:39:06 CDT (-0400)
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