Ключевые слова: amazon basin, amazon river, aquatic, biology, botanical, botany, caltrop, chestnut, chlorophyll, climate change, common, ecological damage, ecology, environment, fast growing, floating, green, greenery, healthy, hydrophyte, invasion, invasive, invasive plant, invasive species, leaf, leafy, leaves, macro, marine, natural, nature, non indigenous, ornamental, ovate leaves, plant, pollution, pond, pontederia crassipes, problematic, river, south america, stagnant, standing, super spreader, tropical, unwanted, water, water hyacinth, weed, wetland,