This plant prefers slow moving streams and ditches on acidic soils. It is very western in its distribution being present throughout Wales, the south west of England and north west England but very rarely found in the south east, east or Scotland. In Ireland it is only common in the south. The leaf lobes are more distinct than in R. hederaceus (Ivy-leaved Crowfoot) and the sepals are reflexed.

LHS: White Coppice, nr Horwich 6th June 2007 RHS: Cwm Idwal, Snowdonia 1st June 2002

Added on November 16th 2005, updated 25th August 2011