Ranunculus testiculatus is accepted species in
the family
Ranunculaceae
subfamily:
Ranunculoideae,
tribe:
Ranunculeae,
Genus
Ranunculus 
Infraspecific taxa recognized within :
infraspecific taxa
This species is found in Afghanistan, Algeria, Altay, Austria, Bulgaria, Central European Rus, Czechoslovakia, East European Russia, Hungary, Iran, Kazakhstan, Kirgizstan, Krym, Mongolia, Morocco, North Caucasus, Pakistan, Romania, South European Russi, Tadzhikistan, Transcaucasus, Turkey, Turkmenistan, Ukraine, Uzbekistan, West Siberia, Xinjiang, Yugoslavia.