Hymenophyllum tunbrigense (L.) Smith - Tunbridge Filmy-fern

This
map has been generated by Mapmate 18/12/2011
Former Distribution:
Once common about springs, Harley-wood, Cliviger (SD82T, S Gibson,
Newman 1843).
Habitat:
Occurred on damp shaded rocks.
Taxon Designation:
International Responsibility; UK Species of Conservation Concern; Species
of Conservation Importance in North West England; Lancashire BAP Provisional
Long List.
Comments:
Quarry working for the construction of the Todmorden to Burnley railway
led to the destruction of the habitat (Nowell & Stanstead 1911.