Nephroia

Nephroia is a genus of flowering plants in the family Menispermaceae. It includes three species with a disjunct distribution, with two species in Mexico and the southern and central United States, and one species which ranges from eastern Asia to the South Pacific.

Species

 * Nephroia carolina (L.) L.Lian & Wei Wang – red-berried moonseed or Carolina moonseed, Kansas and Indiana through the southern United States to northeastern Mexico
 * Nephroia diversifolia (DC.) L.Lian & Wei Wang – southern Arizona and southern Texas to southwestern Mexico
 * Nephroia orbiculata (L.) L.Lian & Wei Wang – Himalayas to Japan and the Central Pacific