Andropogon gayanus
Andropogon gayanus is a species of grass native to most of the tropical and sub-tropical savannas of Africa.Description
This tufting perennial bunchgrass can grow tall and in diameter.Invasiveness
Gamba grass has been declared a noxious species in Australia, where it forms dense patches, out-competing native species and altering ecosystems. Areas of dense infestation have a significantly higher fire risk than native pastures.
of the University of Tasmania has suggested that African elephants should be introduced to Australia to control the gamba grass there.