This plant prefers boggy acidic conditions and as well as the pale flowers sends out stolons or runners which establish new plants nearby. The distribution of this plant is very localised in the north of England and south Scotland. It is absent from Wales and Ireland with one record from southern England.

LHS: Stream, Hole of Horcum, Yorkshire 11th June 2005 RHS: College valley, Cheviots, 17th July 2006

Added on November 10th 2005, updated 5th January 2011