Collection location: Sewanee, Franklin Co., Tennessee, USA [Click for map]
Locality: 35°12’47.92"N, 85°55’20.20"W, el. 586 m. Woodlands.
Substrate and habitat: Growing on a branch of scarlet oak, Quercus coccinea, brought to the ground by recent rain storms, in a park-like residential area bordering oak-dominated eastern deciduous woodland at the western rim of the Cumberland Plateau.
Chemistry: medulla: C-, K+ yellow, KC-
Identification: Myelochroa galbina resembles Hypotrachyna livida, and both are found on canopy branches in eastern decidous woodlands. They are distinguished by medulla color and chemistry (Harris and Ladd, 2005, pp.15, 154-155):
Myelochroa galbina (medulla yellow near apothecia, K+ yellow)
Hypotrachyna livida (medulla white throughout, K-)
Voucher specimen: United States, Tennessee, Franklin County, Sewanee, Woodlands. 07 Feb 2010. Chris Parrish 0041, det. James C. Lendemer (NY)
Common name: smooth axil-bristle lichen
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Created: 2010-02-10 22:03:33 PST (-0800)
Last modified: 2010-02-10 22:03:33 PST (-0800)
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