Sagema potentillae

About

Sagema is a fungal genus in the family Lecanoraceae. It is a monotypic genus, containing the single species Sagema potentillae, a crustose lichen found in Nepal. The lichen forms a thin, whitish crust with small dark reddish-brown fruiting discs surrounded by pale rims. It is set apart from related lichens by its unusually thick-walled ascospores, each measuring about 30–40 micrometres long.

Summary from Wikipedia