The habitats where hard fern~(Blechnum spicant) grows:

Altantic hazel wood
Atlantic oak wood
Beech wood
Blanket bog
Brownfield
Caledonian forest
High montane heath and snow bed
Limestone pavement
Lowland dry acid grassland
Lowland dry oak and birch wood
Lowland mixed oak and ash wood
Montane dwarf shrub heath
Mountain ledge
Raised bog
Rocky slope
Scree
Upland acid grassland
Upland birch wood
Upland calcareous grassland
Upland dry heath
Upland mixed ash wood
Upland wet heath
Wet woodland
Wood pasture