Eight species of the diatom genus Pinnularia (Ehrenberg) Ehrenberg (Pinnulariaceae, Bacillariales, Bacillariophyceae) were collected from various freshwater habitats at Gujranwala, Jhang, Kasur and Lahore districts of the Punjab Province of Pakistan and Chenari in Azad Kashmir during April to December 2004. All the collected species appeared in the vegetative state and occurred during winter and spring. They were taxonomically determined and described for the first time from these areas.
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