Consortium of Lichen Herbaria - Myelochroa galbina

Myelochroa galbina (Ach.) Elix & Hale
Family: Parmeliaceae Smooth Axil-bristle Lichen [Parmelia galbina Ach. (Hale), more] Troy McMullin	North Carolina Biodiversity Project Resources North Carolina Biodiversity Project MB#130566 TYPE. NORTH AMERICA [UNITED STATES, PENNSYLVANIA?] G.H.E. Mühlenberg s.n. (H, H-ACH 1333, holotype; PH, PH00040810, isolectotype). Description. Lichenized fungus. Thallus foliose, adnate. Lobes sublinear to subirregular, tips subrotund, margins ciliate; cilia simple, slender, restricted to lobe axils. Upper surface gray, rugose in center; vegetative diaspores absent. Medulla pale yellow; photobiont Trebouxia alga. Lower surface black, rhizinate; rhizines simple or sparsely branched, black. Ascomata lecanorine apothecia, cup-like, frequent; disk concave, brown. Chemistry. Medulla K-, PD+ red; atranorin, galbinic acid, zeorin, leucotylin and its derivatives, salazinic acid and secalonic acid A. Substrate and Habitat. On bark and wood in forests. Distribution. East Asia, eastern North America; in North Carolina primarily in Piedmont and Blue Ridge ecoregions. Literature Acharius, E. (1814) Synopsis Methodica Lichenum. Lund (original description as Parmelia galbina). Elix, J.A. & M.E. Hale. (1987) Canomaculina, Myelochroa, Parmelinella, Parmelinopsis and Parmotremopsis, five new genera in the Parmeliaceae (lichenized Ascomycotina). Mycotaxon 29: 233-244. Moon, K.H., C. Ahn & H. Kashiwadani. (2015) Revision of the lichen genus Myelochroa (Ascomycotina: Parmeliaceae) in Korea. Journal of Species Research 4(1): 23-32.
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