Montagnea arenaria

Montagnea arenaria is a species of secotioid fungus in the family Agaricaceae. Originally named "Agaricus arenarius" by Augustin Pyramus de Candolle in 1815, it was transferred to the genus "Montagnea" by Sanford Myron Zeller in 1943. The species is characterized by a cap that has an apical disc, radial gills, a hymenophore, and spores with a prominent germ pore. It is inedible.