| WebNameShort | |
| Achnanthes bongrainii (Peragallo) Frenguelli & Orlando 1958 |
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| Achnanthes bongrainii var. parallela (Peragallo) Frenguelli & Orlando 1958 |
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| Achnanthes muscorum var. elliptica Frenguelli & Orlando 1958 |
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| Achnanthes simplex (Peragallo) Frenguelli & Orlando 1958 |
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| Amphiprora lauriensis Frenguelli & Orlando 1958 |
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| Cocconeis antarctica (Van Heurck) Frenguelli & Orlando 1958 |
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| Cocconeis californica var. antarctica Frenguelli & Orlando 1958 |
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| Cocconeis debenedettii Frenguelli & Orlando 1958 |
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| Cocconeis lauriensis Frenguelli & Orlando 1958 |
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| Cocconeis melchiori Frenguelli & Orlando 1958 |
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| Cocconeis orbicularis Frenguelli & Orlando 1958 |
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| Cocconeis reticulata var. deceptionis Frenguelli & Orlando 1958 |
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| Coscinodiscus coronula Frenguelli & Orlando 1958 |
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| Coscinodiscus margaritae Frenguelli & Orlando 1958 |
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| Coscinodiscus rothii var. stelliger Frenguelli & Orlando 1958 |
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| Coscinodiscus stellaris var. antarctica Frenguelli & Orlando 1958 |
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| Coscinodiscus stellaris var. schmidtii Frenguelli & Orlando 1958 |
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| Dimeregramma (Dimerogramma) antarcticum Frenguelli & Orlando 1958 |
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| Fragilariopsis antarctica var. elliptica Frenguelli in Frenguelli & Orlando 1958 |
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| Fragilariopsis drakei Frenguelli & Orlando 1958 |
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| Fragilariopsis linearis var. curta (Van Heurck) Frenguelli in Frenguelli & Orlando 1958 |
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| Gomphonema cymbelloides Frenguelli & Orlando 1958 |
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| Gomphonema margaritae Frenguelli & Orlando 1958 |
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| Gyrosigma attenuatum var. antarcticum (antarctica) Frenguelli & Orlando 1958 |
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| Gyrosigma balticum var. lorenzii (Grunow) Frenguelli & Orlando 1958 |
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| Gyrosigma subsalinum (H. Peragallo) Frenguelli & Orlando 1958 |
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| Gyrosigma subsalinum var. antarctica Frenguelli & Orlando 1958 |
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| Hemiaulus rusticus Frenguelli & Orlando 1958 |
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| Licmophora pseudohyalina Frenguelli & Orlando 1958 |
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| Melosira pantocseki (pantocsekii) (Van Heurck) Frenguelli in Frenguelli & Orlando 1958 |
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| Navicula antarctica Frenguelli & Orlando 1958 |
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| Navicula lauriensis Frenguelli & Orlando 1958 |
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| Navicula multicopsis var. cymbelloides (M. Peragallo) Frenguelli & Orlando 1958 |
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| Navicula multicopsis var. producta Frenguelli & Orlando 1958 |
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| Navicula puchella var. antarctica Frenguelli & Orlando 1958 |
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| Navicula sulphurea Frenguelli & Orlando 1958 |
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| Nitzschia bilobata var. antarctica Frenguelli & Orlando 1958 |
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| Nitzschia dissipata var. capitellata Frenguelli & Orlando 1958 |
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| Nitzschia solida Frenguelli & Orlando 1958 |
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| Pinnularia debenedettii (de benedetii) Frenguelli & Orlando 1958 |
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| Pinnularia quadratarea (quadratacea, quadrataria) var. antarctica (M. Peragallo) Frenguelli & Orlando 1958 |
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| Stauroneis melchiori Frenguelli & Orlando 1958 |
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| Synedra kerguelensis var. antarctica Frenguelli & Orlando 1958 |
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| Tropidoneis elegans var. glacialis Frenguelli & Orlando 1958 |
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| Tropidoneis peragalloi Frenguelli & Orlando 1958 |
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| Tropidoneis peragalloi f. lata Frenguelli & Orlando 1958 |
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