falling into the water covered with duckweed -lemna minor, the leaves of the trees float on the surface

angiosperms aquatic plant araceae common duckweed duck weed texture duckweeds europe flora float foliage fresh green lake leaf lemna minor lemnaceae lesser monocots nature water photosynthesis plantae small vegetation algae biomass ecosystem exotic freshwater background hyacinth flower invasive leaves seaweed spotless watermeal surface swamp tiny top view wolffia