a drop of red water on a hairy, non-wettable green leaf of pistia, an invasive species

alga aquatic plant plants bazaar common duckweeds duckweed floating flora green background invasive species lake leaf leaves lemna turionifera lemnaceae natural nature nile cabbage pistia stratiotes pistieae rootless seaweed shellflower spotless watermeal surface swamp algae tiny water lettuce wolffia shiny liquid red droplet raindrop drip splashing juice crown bubble closeup