A localised plant of tall-herb communities on marshy ground, canal margins and
ditches. Only recorded from Broadoak Park (SD7600) and the disused canal at Agecroft
(SD8001) during the 1991-1992 survey. Since found at several locations to the
west of Worsley and at Blackleach Reservoir (SD7403,DP Earl & MPG Tolfree,
2003).
