Ключевые слова: agriculture, aqua, aquatic, background, botanical, bright, bunch, clump, color, farmland, float, floating, flora, flower, foliage, garden, green, group, growth, lake, leaf, many, marsh, natural, nature, outdoor, pattern, pistia, pistia stratiotes, plan, plant, pollution, pond, power, rosette, surface, swamp, tropical, water, water lettuce, weed, wetland,