Nephroia is a genus of 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 – red-berried moonseed or Carolina moonseed, Kansas and Indiana through the southern United States to northeastern Mexico
-
Nephroia diversifolia – southern Arizona and southern Texas to southwestern Mexico
-
Nephroia orbiculata – Himalayas to Japan and the Central Pacific