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.
Arenaria montana Arenaria montana, the mountain sandwort, is a species of flowering plant in the family Caryophyllaceae, native to mountainous regions of southwestern Europe, from the Pyrenees to Portugal. The Latin specific epithet "montana" refers to mountains or coming from mountains.