The habitats where common cottongrass~(Eriophorum angustifolium) grows:

Blanket bog
Coastal floodplain grazing marsh
Dune slack
Limestone pavement
Lowland dry heath
Lowland fen
Lowland wet heath
Nutrient rich eutrophic lake
Purple moor grass and rush pasture
Raised bog
Reedbed
Sand dune
Upland acid grassland
Upland acid rush pasture
Upland birch wood
Upland calcareous grassland
Upland dry heath
Upland spring flush
Upland wet heath
Valley mire
Wet woodland