SABEEN NAZ; MUSTAFA SHAMEEL; MASUD-UL-HASAN; SHAFIQUE-UR-REHMAN(Karachi: Pakistan Journal of Botany, botanical garden, university of karachi, 2003-01-07)
MUHAMMAD AFZAL AKHTAR; MUHAMMAD ZAKRIA; ABBASI, FIDA MUHAMMAD; M ASIF MASOOD(Pakistan Journal of Botany, Botanical Garden, University of Karachi, Karachi, Pakistan, 2003-02-08)