Rapidly spreading Salvinia molesta clogs waterways, endangers aquatic life, and exposes the impact of sewage leaks and poor ...

The Salvinia Molesta, more commonly known as Kariba weed, is an invasive species of free-floating water fern from Brazil. The ...

South Africa’s already vulnerable freshwater ... “If you pull the hyacinth away, this plant is lurking,” said Coetzee. The invasive plants block out the sunlight, which means no oxygen ...

South Africa’s already vulnerable freshwater ... “If you pull the hyacinth away, this plant is lurking,” said Coetzee. The invasive plants block out the sunlight, which means no oxygen ...

HARTBEESPOORT, South Africa — Dozens of tiny black weevils ... this plant is lurking,” said Coetzee. The invasive plants block out the sunlight, which means no oxygen in the water, she said.

South Africa’s already vulnerable freshwater ... “If you pull the hyacinth away, this plant is lurking,” said Coetzee. The invasive plants block out the sunlight, which means no oxygen ...

South Africa is unleashing weevils imported from the United States in a bid to fight off the sprouting growth of Salvinia minima, an alien species of aquatic plant native to South America that is chok ...

HARTBEESPOORT, South Africa (AP) — Dozens of tiny black weevils ... which is made up of an unwanted, invasive South American aquatic plant called Salvinia minima.