The habitats where perennial rye-grass~(Lolium perenne) grows:

Arable
Brownfield
Coastal floodplain grazing marsh
Coastal vegetated shingle
Disturbed nutrient rich
Dune slack
Gateways and tracks
Hard cliff and cliff slope
Lowland calcareous grassland
Lowland dry acid grassland
Lowland meadow and pasture
Machair sand dune
Maritime cliff
Mesotrophic grassland
Moist damp verges and banks
Northern hay meadow
Nutrient rich around buildings
Open habitat arable weed fertile loam and clay
Open habitat arable weed light lime rich
Pond ditch and canal
Salt marsh
Sand dune
Traditional orchard
Upland acid grassland
Upland calcareous grassland
Upland rush pasture