Nuphar japonica is an aquatic plant species in the genus Nuphar found in Japan and the Korean Peninsula. It is endangered in Russia. The species was not accepted by The Plant List as of November 2013, which regarded it as an "unresolved name".
You can copy this taxon into another guide. If you are one of the
editors of this guide it should copy everything, but if you're not, it
will only copy the licensed content.