MUHAMMAD AKHILAS; TAHIRA AHMAD; HAMID FURRUKH SIYAR; RIZWANA KHANUM(Karachi: Pakistan Journal of Botany, botanical garden, university of karachi, 2003-01-12)
SABEEN NAZ; MUSTAFA SHAMEEL; MASUD-UL-HASAN; SHAFIQUE-UR-REHMAN(Karachi: Pakistan Journal of Botany, botanical garden, university of karachi, 2003-01-07)