G. Anjum
Botany Department, University of Peshawar, Peshawar, Pakistan
T. Jabeen
Botany Department, University of Peshawar, Peshawar, Pakistan
F. Hussain
Botany Department, University of Peshawar, Peshawar, Pakistan
M. A. F. Faridi
Botany Department, University of Peshawar, Peshawar, Pakistan