The habitats where fen bedstraw~(Galium uliginosum) grows:

Brownfield
Coastal floodplain grazing marsh
Limestone pavement
Lowland fen
Lowland meadow and pasture
Lowland wet heath
Moist damp verges and banks
Nutrient rich eutrophic lake
Purple moor grass and rush pasture
Raised bog
Reedbed
Turlough and fluctuation mere
Upland birch wood
Upland spring flush
Wet woodland