red and green eastern mosquito-fern azolla

abstract agriculture aquatic azolla azollaceae background beautiful beauty bio biology botanical botany closeup color cover detail duck duckweed eastern environment fairy fern fertilizer fields filiculoides floating flora flower flowers foliage fresh garden green lake leaf lilly lotus marsh meadows mosquito mosquitofern moss natural nature organic pattern photosynthesis pinnata plant pond rare red rice salviniaceae season small surface swamp texture tropical wallpaper water