| WebNameShort | |
| Achnanthes adamsii Cholnoky 1964 |
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| Eunotia capensis (Cholnoky) Cholonoky 1964 |
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| Fragilaria adamsii Cholnoky 1964 |
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| Navicula elephantis Cholnoky 1964 |
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| Navicula loveridgei Cholnoky 1964 |
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| Navicula muscicola (J.B. Petersen) Cholnoky 1964 |
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| Navicula nitrifuga Cholnoky 1964 |
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| Navicula obiecta (objecta) Cholnoky 1964 |
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| Navicula platensis (Frenguelli in Frenguelli & Cordini) Cholnoky 1964 |
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| Pinnularia americana (Hustedt in Schmidt et al.) Cholnoky 1964 |
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| Pinnularia decocta Cholnoky 1964 |
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| Pinnularia graciloides (gracilioides) var. americana (Hustedt in Schmidt et al.) Cholnoky 1964 |
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| Pinnularia hustedtiana Cholnoky 1964 |
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| Pinnularia loveridgei Cholnoky 1964 |
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