AZRAF-UL-HAQ AHMAD; RIAZ AHMAD; NAEEM MAHMOOD; A. TANVEER(Pakistan Journal of Botany, Botanical Garden, University of Karachi, Karachi, Pakistan, 2007-04-12)
A. RASHID; J. GUL; M. ARSHAD; T. MAHMOOD; M. KHALID(Pakistan Journal of Botany, Botanical Garden, University of Karachi, Karachi, Pakistan, 2007-04-06)