This map has been generated by Mapmate 05/11/2011
Distribution:
Locally common near St. Helens and Wigan, extending to Rufford (SD4517); Lostock near Bolton (SD6709) and a present day northern limit for the British Isles at the Leeds & Liverpool Canal, Wheelton (SD6021). Note the records from near Hale (SJ4782 & SJ4783) which link up with the Cheshire population in the lower Weaver Valley.
Habitat:
Woodlands, hedgerows, scrub, railway banks and canal banks.
Taxon Designation:
South Lancashire Axiophyte.
Comments:
The distribution of this species in the British Isles is disjunct with the Cheshire and Lancashire populations being a considerable distance from the other populations which are found in the south-west of Britain.