Fritsch, F.E. ; Rich, F. (1929). Contributions to our knowledge of the freshwater algae of Africa. 8. Bacillariales from Griqualand West. Transactions of the Royal Society of South Africa. 18(1-2): 93-123.
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Fritsch, F.E. ; Rich, F.
1929
Contributions to our knowledge of the freshwater algae of Africa. 8. Bacillariales from Griqualand West