Why is it difficult to get rid of water hyacinth from a water body? Name one abiotic component and one biotic component of the ecosystem that get affected by its spread in the water body

These plants which have lovely flowers have caused havoc by their excessive growth by causing blocks in our water ways. They grow faster than or ability to remove them. These are plants of water hyacinth the world’s most problematic aquatic weed, called ‘Terror of Bengal’. They grow abundantly in eutrophic water bodies and lead to an imbalance in the ecosystem dynamics of the water body.
Abiotic component : Water hyacinth impacts water flow and starves the water of oxygen.
Biotic component : This plat blocks sunlight from reaching native aquatic plants and poses threats to them.