The habitats where marsh willowherb~(Epilobium palustre) grows:

Blanket bog
Brownfield
Coastal floodplain grazing marsh
Dune slack
Limestone pavement
Lowland fen
Nutrient rich eutrophic lake
Pond ditch and canal
Purple moor grass and rush pasture
Raised bog
Sand dune
Turlough and fluctuation mere
Upland acid grassland
Upland birch wood
Upland rush pasture
Upland spring flush
Wet woodland