The habitats where heath grass~(Danthonia decumbens) grows:

Blanket bog
Brownfield
Coastal floodplain grazing marsh
Dune slack
Hard cliff and cliff slope
Limestone pavement
Lizard peninsula
Lowland calcareous grassland
Lowland dry acid grassland
Lowland dry heath
Lowland fen
Lowland heath
Lowland meadow and pasture
Lowland wet heath
Maritime cliff
Mesotrophic grassland
Montane dwarf shrub heath
Mountain ledge
Pond ditch and canal
Purple moor grass and rush pasture
Raised bog
Sand dune
Traditional orchard
Upland acid grassland
Upland calcareous grassland
Upland dry heath
Upland wet heath