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| Navicula approximata var. substauroneiformis Grunow in Schmidt et al. 1874 |
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| Navicula californica var. campechiana Grunow in Schmidt et al. 1874 |
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| Navicula caribaea Cleve in A. Schmidt et al. 1874 |
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| Navicula carinifera Grunow in Schmidt et al. 1874 |
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| Navicula carinifera var. minor Grunow in A. Schmidt et al. 1874 |
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| Navicula clavata var. elliptica Schmidt in Schmidt et al. 1874 |
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| Navicula couperi (J.W. Bailey) Schmidt in Schmidt et al. 1874 |
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| Navicula diffluens Schmidt in Schmidt et al. 1874 |
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| Navicula diffusa Schmidt in Schmidt et al. 1874 |
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| Navicula distenta Schmidt in Schmidt et al. 1874 |
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| Navicula exsul Schmidt in Schmidt et al. 1874 |
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| Navicula genifera Schmidt in Schmidt et al. 1874 |
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| Navicula hennedyi var. controversa Schmidt in Schmidt et al. 1874 |
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| Navicula hennedyi var. cuneata Schmidt in Schmidt et al. 1874 |
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| Navicula hennedyi var. granulata Grunow in Schmidt et al. 1874 |
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| Navicula hennedyi (hennedii) var. manca Schmidt in Schmidt et al. 1874 |
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| Navicula inhalata Schmidt in Schmidt et al. 1874 |
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| Navicula irrorata sensu Schmidt in Schmidt et al. 1874 |
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| Navicula kittoniana Schmidt in Schmidt et al. 1874 |
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| Navicula lyra var. abnormis Grunow in Schmidt et al. 1874 |
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