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| Melosira spiralis var. sphaerica Héribaud & M. Peragallo 1897-1908 |
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| Melosira sulcata f. radiata (Grunow) Peragallo & Peragallo 1897-1908 |
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| Melosira sulcata var. radiata (Grunow) Peragallo & Peragallo 1897-1908 |
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| Navicula abrupta var. atlantica (Schmidt) Peragallo & Peragallo 1897-1908 |
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| Navicula clavata var. wrightii (O'Meara) Peragallo & Peragallo 1897-1908 |
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| Navicula foveana Peragallo & Peragallo 1897-1908 |
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| Navicula fusca var. tenuipunctata (Cleve) Peragallo & Peragallo 1897-1908 |
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| Navicula lyra var. densestriata Peragallo & Pergallo 1897-1908 |
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| Navicula lyra var. robertsoniana (robertsiana) sensu Peragallo & Peragallo 1897-1908 |
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| Navicula mediterranea var. scaligera Peragallo & Peragallo 1897-1908 |
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| Navicula multicostata var. minuta (Cleve) Peragallo & Peragallo 1897-1908 |
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| Navicula multicostata var. perpusilla (Cleve) Peragallo & Pergallo 1897-1908 |
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| Navicula pandura var. limitanea (Schmidt in Schmidt et al.) Peragallo & Peragallo 1897-1908 |
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| Navicula pulchra (Østrup) M. Peragallo 1897-1908 |
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| Navicula quadratarea var. fluminensis (Grunow) Peragallo & Peragallo 1897-1908 |
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| Navicula robusta var. perlonga (Pantocsek; Pantocsek) M. Peragallo 1897-1908 |
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| Navicula scopulorum var. perlonga sensu Peragallo & Peragallo 1897-1908 |
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| Navicula setacea (Kützing) Cleve according to Peragallo & Peragallo 1897-1908 |
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| Navicula stauroptera (J.W. Bailey) Peragallo & Peragallo 1897-1908 |
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| Navicula subretusa Peragallo & Peragallo 1897-1908 |
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