Myelochroa is a genus of lichenized fungi within the family Parmeliaceae.
Diagnostic features of Myelochroa aurulenta: Thallus green-gray, adnate. Lobes 2-4 mm wide, numerous pustules, with coarse soredia, isidia absent, white to yellow medulla, black undersurface, sinuous in the axils, shortly ciliate.
Similar species: Lecanorales
By Gary B
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Uploaded Apr 2, 2019. Captured Apr 1, 2019 17:42 in 4408 Miller Rd, Barnum, MN 55707, USA.