The habitats where sweet vernal grass~(Anthoxanthum odoratum) grows:

Alpine and subalpine calcareous grassland
Altantic hazel wood
Atlantic oak wood
Blanket bog
Bracken scrub
Brownfield
Calaminarian grassland
Caledonian forest
Coastal floodplain grazing marsh
Damp fertile disturbed
Dune slack
Hard cliff and cliff slope
Hedgerow scrub
High montane heath and snow bed
Limestone pavement
Lizard peninsula
Lowland calcareous grassland
Lowland dry acid grassland
Lowland dry heath
Lowland dry oak and birch wood
Lowland fen
Lowland heath
Lowland meadow and pasture
Lowland mixed oak and ash wood
Lowland wet heath
Machair sand dune
Maritime cliff
Mesotrophic grassland
Montane dwarf shrub heath
Montane scrub
Mountain ledge
Northern hay meadow
Open habitat arable weed less fertile acid
Purple moor grass and rush pasture
Raised bog
Rocky slope
Salt marsh
Sand dune
Scree
Traditional orchard
Upland acid grassland
Upland acid rush pasture
Upland birch wood
Upland calcareous grassland
Upland dry heath
Upland mixed ash wood
Upland rush pasture
Upland spring flush
Upland wet heath
Wet woodland
Wood pasture