The habitats where crowberry~(Empetrum nigrum subsp.nigrum) grows:

Blanket bog
Brownfield
Caledonian forest
Hard cliff and cliff slope
Limestone pavement
Lowland calcareous grassland
Lowland dry acid grassland
Lowland dry heath
Maritime cliff
Montane dwarf shrub heath
Mountain ledge
Raised bog
Rocky slope
Scree
Upland acid grassland
Upland calcareous grassland
Upland dry heath
Upland spring flush
Upland wet heath
Valley mire
Wet woodland