The habitats where annual meadow grass~(Poa annua) grows:

Arable
Brownfield
Coastal floodplain grazing marsh
Coastal vegetated shingle
Crevice scree and spoil
Disturbed nutrient rich
Dune slack
Gateways and tracks
Hard cliff and cliff slope
Lowland dry acid grassland
Lowland fen
Mesotrophic grassland
Nutrient rich around buildings
Only East Anglia
Open habitat arable weed fertile loam and clay
Open habitat arable weed less fertile acid
Open habitat arable weed light lime rich
Pond ditch and canal
Sand dune
Traditional orchard
Upland acid grassland
Upland calcareous grassland
Upland spring flush