The habitats where bank haircap~(Polytrichum formosum) grows:

Altantic hazel wood
Atlantic oak wood
Beech wood
Caledonian forest
Limestone pavement
Lowland dry oak and birch wood
Lowland mixed oak and ash wood
Raised bog
Rocky slope
Scree
Upland acid grassland
Upland birch wood
Upland calcareous grassland
Upland mixed ash wood
Wet woodland
Wood pasture