Myelochroa aurulenta

Myelochroa aurulenta

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.