Sterrenburg, F.A.S. (1991). Studies on the genera Gyrosigma and Pleurosigma (Bacillariophyceae). The typus generis of Pleurosigma, some presumed varieties and imitative species. Botanica Marina, 34(6): 561-573
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Sterrenburg, F.A.S.
1991
Studies on the genera Gyrosigma and Pleurosigma (Bacillariophyceae). The typus generis of Pleurosigma, some presumed varieties and imitative species.