Species: Ranunculus flammula var. flammula

Plantae - Anthophyta - Dicotyledoneae - Ranunculales - Ranunculaceae - Ranunculus - Ranunculus flammula, as treated here (following Kartesz, 1994 checklist) includes the plants widely known as Ranunculus filiformis and R. reptans. R. flammula var. filiformis includes R. reptans, which if treated separately within this species is R. flammula var. reptans, and R. filiformis. R. flammula var. flammula includes the 'ovalis' taxon variously treated as R. flammula var. ovalis, R. filiformis var. ovalis, or R. reptans var. ovalis. R. flammula var. angustifolius is primarily Eurasian, but reported also from Newfoundland.