The habitats where reed canary grass~(Phalaris arundinacea) grows:

Brownfield
Coastal floodplain grazing marsh
Fast flowing river and stream
Hard cliff and cliff slope
Limestone pavement
Lowland fen
Mesotrophic grassland
Moist damp verges and banks
Nutrient rich eutrophic lake
Pond ditch and canal
Purple moor grass and rush pasture
Reedbed
Traditional orchard
Turlough and fluctuation mere
Upland rush pasture
Upland spring flush
Wet woodland