The habitats where water horsetail~(Equisetum fluviatile) grows:

Coastal floodplain grazing marsh
Dune slack
Fast flowing river and stream
Limestone pavement
Lowland fen
Marginal and inundation
Moist damp verges and banks
Nutrient rich eutrophic lake
Pond ditch and canal
Purple moor grass and rush pasture
Raised bog
Reedbed
Sand dune
Sluggish river and stream
Turlough and fluctuation mere
Upland birch wood
Upland lake loch and tarn
Upland rush pasture
Upland spring flush
Valley mire
Wet woodland