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| Achnanthes brevipes var. minor H. Peragallo in H. Peragallo & M. Peragallo 1897 |
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| Cocconeis fluminensis (Grunow) Peragallo & Peragallo 1897 |
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| Cocconeis maxima (Grunow) Peragallo & Peragallo 1897 |
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| Cocconeis maxima var. lyrata Peragallo & Peragallo 1897 |
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| Cocconeis nummularia (Greville) Peragallo & Peragallo 1897 |
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| Cocconeis quarnerensis var. ovulum Peragallo & Peragallo 1897 |
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| Cocconeis scutellum var. adjuncta (Schmidt in Schmidt et al.) Peragallo & Peragallo 1897 |
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| Cocconeis scutellum var. morrisii (W. Smith) Peragallo & Peragallo 1897 |
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| Cocconeis signata Peragallo & Peragallo 1897 |
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| Mastogloia braunii f. major Peragallo & Peragallo 1897 |
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| Mastogloia capitata sensu Peragallo & Peragallo 1897 |
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| Mastogloia corsicana (Grunow) H. Peragallo & M. Peragallo 1897 |
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| Mastogloia erythraea var. anocellata Peragallo & Peragallo 1897 |
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| Mastogloia smithii var. conifera (Brun in Schmidt et al.) Peragallo & Peragallo 1897 |
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| Navicula abrupta var. rattrayi (Pantocsek) Peragallo & Peragallo 1897 |
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| Navicula advena var. parca Peragallo & Peragallo 1897 |
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| Navicula advena var. sansegana (Grunow in Schmidt et al.) Peragallo & Peragallo 1897 |
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| Navicula aestiva var. alpha Peragallo & Peragallo 1897 |
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| Navicula aestiva var. beta Peragallo & Peragallo 1897 |
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| Navicula arenaria var. arcuata Peragallo & Peragallo 1897 |
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