| WebNameShort | |
| Gomphoneis eriense var. angularis Kociolek & Stoermer 1988 |
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| Gomphoneis eriense var. canadensis Kociolek & Stoermer 1988 |
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| Gomphoneis eriense var. variabilis Kociolek & Stoermer 1988 |
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| Gomphoneis herculeana var. abundans Kociolek & Stoermer 1988 |
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| Gomphoneis herculeana var. loweii Kociolek & Stoermer 1988 |
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| Gomphoneis minuta (Stone) Kociolek & Stoermer 1988 |
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| Gomphoneis minuta var. cassieae Kociolek & Stoermer 1988 |
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| Gomphoneis rostrata (Tempère & Peragallo) Kociolek & Stoermer 1988 |
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| Gomphoneis rostrata var. valida Kociolek & Stoermer 1988 |
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| Gomphoneis subherculeana Kociolek & Stoermer 1988 |
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