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A DESCRIPTION OF A NEW SPECIES OF SIROGONIUM (CHLOROPHYCEAE, ZYGNEMATALES), A GENUS NOT PREVIOUSLY REPORTED FROM PAKISTAN

MASUD-UL-HASSAN AND MOHAMMED NIZAMUDDIN*

Abstract: Occurrence of the genus Sirogonium Kütz., is a new record from Pakistan and a new species, S. khoriensis Masud-.et Nizam. sp. nov. has been described. This species is characterized by having a constant number of 3 chloroplasts and also in thickness of the exine.

Department of Botany, Government College, Lahore, Pakistan.
M.A.H. Qadri Biological Research Centre, University of Karachi, Karachi-75270, Pakistan.