Invasive weeds threaten Nigeria

Invasive weeds threaten Nigeria  A species of cattail grass, Typha australis, is taking over river banks and farmlands in the wetlands of Nigeria's Jigawa state, disrupting farming and fishing activities, said the state environment commissioner Yusuf Mato while releasing a feasibility study on the control strategy of the weed.

"Fishermen cannot fish in the river because it has been taken over by the grass