Kociolek, J.P. & Stoermer, E.F. (1991). New and interesting Gomphonema (Bacillariophyceae) species from East Africa. Proceedings of the California Academy of Sciences, 47(9): 275-288
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Kociolek, J.P. & Stoermer, E.F.
1991
New and interesting Gomphonema (Bacillariophyceae) species from East Africa