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Bryonora curvescens (Mudd) Poelt
Family: Lecanoraceae
[Biatora curvescens Th. Fr.,  more]
Bryonora curvescens image
Ecology: Biotroph; lichenized; bryophytic (on Grimmia- and Andreaea-species). Thallus: Indistinct or crustose, not subdivided parts, granular; separate thallus parts thin (very sparse). Upper Surface: Grey or dark brown. Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium, .5-1.5 mm in diam.. Margin: Excluded, distinct. Disk: Excavate, plane, or weakly convex, brown, epruinose or pruinose. Amphithecial Cortex: Present. Episamma: With episamma. Ascospores: Oblong (often curved) or oval, 18-45 µm long, 4.5-6.5 µm wide, obtuse. Secondary Metabolites: Norstictic acid.