The habitats where early hair grass~(Aira praecox) grows:

Brownfield
Hard cliff and cliff slope
Hedgerow scrub
Limestone pavement
Lowland calcareous grassland
Lowland dry acid grassland
Lowland dry heath
Machair sand dune
Maritime cliff
Open habitat arable weed less fertile acid
Sand dune
Upland calcareous grassland
Upland dry heath