1. Tropical and SubTropical Weed Research Unit; School of Agriculture & Food Sciences; The University of Queensland; Brisbane Qld Australia
2. Department of Botany; University of the Punjab; Lahore Pakistan
3. Biosecurity Queensland; Department of Agriculture, Fisheries & Forestry; Ecosciences Precinct; Brisbane Qld Australia
4. Department of Weed Science; The University of Agriculture; Peshawar Pakistan