This map has been generated by Mapmate 18/12/2011
Distribution:
Recently found in the Thursden Valley (SD93C, P Jepson, 2008), the first record since 1915.
Former distribution:
Warmden Clough, Accrington (SD72T); “very sparingly in the Burnley district” (CR Richings c. 1915); Ramsden Clough, Walsden (SD92F); Tower Clough, near Portsmouth (SD92C).
Habitat: On moist shaded calcareous rocks in cloughs in the hills; plants may have occurred on shale outcrops.
Taxon Designation:
Species of Conservation Importance in North West England; Flowering Plants & Ferns Ff3; Lancashire BAP Provisional Long List; South Lancashire Axiophyte.
Comments:
Rare. There is a recollection (P Jepson) that plants may have once occurred on mineral spoil in Sheddon Clough. Plants should be looked for where limestone materials are brought near the surface due to mineral extraction.