GeocarponGeocarpon is a genus of flowering plants in the carnation family, Caryophyllaceae. It includes seven species native to North America, from the eastern subarctic through the eastern, southeastern, and central United States.SpeciesSeven species are accepted.Geocarpon carolinianum Geocarpon cumberlandense Geocarpon glabrum Geocarpon groenlandicum Geocarpon minimum Geocarpon nuttallii ''Geocarpon uniflorum''