The habitats where common mouse ear~(Cerastium fontanum) grows:

Alpine and subalpine calcareous grassland
Altantic hazel wood
Arable
Atlantic oak wood
Brownfield
Calaminarian grassland
Caledonian forest
Coastal floodplain grazing marsh
Coastal vegetated shingle
Crevice scree and spoil
Damp fertile disturbed
Disturbed nutrient rich
Dune slack
Gateways and tracks
Hard cliff and cliff slope
Hedgerow scrub
High montane heath and snow bed
Limestone pavement
Lowland calcareous grassland
Lowland dry acid grassland
Lowland dry heath
Lowland fen
Lowland meadow and pasture
Machair sand dune
Maritime cliff
Mesotrophic grassland
Moist damp verges and banks
Montane dwarf shrub heath
Mountain ledge
Northern hay meadow
Nutrient rich around buildings
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
Purple moor grass and rush pasture
Rocky slope
Salt marsh
Sand dune
Scree
Traditional orchard
Upland acid grassland
Upland birch wood
Upland calcareous grassland
Upland dry heath
Upland rush pasture
Upland spring flush
Valley mire
Wood pasture