Village along a canal, clogged by water hyacinth, Ayutthaya, Thailand, Southeast Asia, Asia

Dugout canoes among water hyacinth (Eichhornia crassipes) in a canal of backwaters, Kumarakom, Kerala state, South India, Asia

Church surrended by water hyacinth in a canal of backwaters at Kumarakom, Kerala state, South India, Asia

Elephant spraying herself and the mahout whilst bathing in water surrounded by water hyacinth, Kaziranga, Assam, India, Asia

Houseboat among water hyacinth (Eichhornia crassipes) in a canal of backwaters at Kumarakom, Kerala state, South India, Asia

Houseboat among water hyacinth (Eichhornia crassipes) in a canal of backwaters at Kumarakom, Kerala state, South India, Asia

Excessive water hyacinth growth and fish cage farms on this large lake that suffers from pollutants, climate change heating and reduced oxygen, Lake Tondano, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia

Excessive water hyacinth growth and fish cage farms on this large lake that suffers from pollutants, climate change heating and reduced oxygen, Lake Tondano, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia

Excessive water hyacinth growth and fish cage farms on this large lake that suffers from pollutants, climate change heating and reduced oxygen, Lake Tondano, Minahasa, North Sulawesi, Indonesia, Southeast Asia, Asia

Pink hyacinths and daffodils, Keukenhof, park and gardens near Amsterdam, Netherlands, Europe

Hippopatamus in water, Kenya, East Africa, Africa

Spraying to eradicate water hyacinth at dam, Jebel Aulia, Sudan, Africa

Collecting water hyacinth on Binh Thanh Island at Sadec, Mekong River Delta, Vietnam, Indochina, Southeast Asia, Asia

Collecting water hyacinth on Binh Thanh Island at Sadec, Mekong River Delta, Vietnam, Indochina, Southeast Asia, Asia

Common water hyacinth (Eichhornia sp.), Mamiraua sustainable development reserve, Amazonas, Brazil, South America

Common water hyacinth (Eichhornia sp.), Mamiraua sustainable development reserve, Amazonas, Brazil, South America

Flower garden with Grape Hyacinths (Muscari armeniacum) and Tulips (Tulipa), Keukenhof, Holland, Niederlande, Europa

Intha Man with a canoe surrounded by Common Water Hyacinth (Eichhornia crassipes), Inle Lake, Shan State, Myanmar, Southeast Asia, Asia

Tourists on water hyacint clogges waterway on Ato el Cedral ranch on the llanos, Venezuela, South America.