Are Arenaria and Sciadopitys verticillata part of the same family?
Sciadopitys Sciadopitys verticillata, koyamaki, or Japanese umbrella-pine, is a unique conifer endemic to Japan. It is the sole member of the family Sciadopityaceae and genus Sciadopitys, a living fossil with no close relatives, and known in the fossil record for about 230 million years.
Montagnea arenaria Montagnea arenaria is a species of secotioid fungus in the Agaricaceae family. 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.