pistia stratiotes aquatic plant grows into dense mats in a pond near a neighborhood.

aquatic-organism aquatic-plant background botany cabbage closing environment flower freshness green green-background green-color growth lake landscape leaf leaving lettuce marsh nature no-person outdoor pattern petal pistia-stratiotes plant pond seaweed sink swamp textured tropical-climate uncultivated vibrant-color water water-lettuce water-plant water-surface wetland