| WebNameShort | |
| Navicula lacustris f. gibbosa (Brun) Hustedt 1964 |
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| Navicula huei f. constricta (Cleve) Hustedt 1964 |
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| Navicula maculata f. californica (Cleve) Hustedt 1964 |
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| Navicula brasiliana f. platensis (Frenguelli in Frenguelli & Cordini) Hustedt 1964 |
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| Navicula mutica f. lanceolata (Frenguelli) Hustedt 1964 |
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| Navicula pusilla f. pulchra (Gregory) Hustedt 1964 |
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| Navicula peguana (Grunow in Cleve & Möller) Hustedt 1964 |
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| Navicula latissima f. kamorthensis (Grunow) Hustedt 1964 |
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| Navicula lundströmii f. frieseana (Grunow) Hustedt 1964 |
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| Navicula lyra f. denudata (Grunow) Hustedt 1964 |
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| Navicula gaussii (Heiden & Kolbe) Hustedt 1964 |
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| Navicula latissima f. elliptica (Heiden) Hustedt 1964 |
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| Navicula xi f. peltoides (Hendey) Hustedt 1964 |
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| Navicula charlatii f. chilensis (Hustedt) Hustedt 1964 |
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| Navicula dicephala f. abiskoensis (Hustedt) Hustedt 1964 |
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| Navicula mutica f. gibbula (Hustedt) Hustedt 1964 |
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| Navicula mutica f. intermedia (Hustedt) Hustedt 1964 |
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| Navicula neoventricosa f. binodis (Hustedt) Hustedt 1964 |
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| Navicula nivalis f. distinguenda (Hustedt) Hustedt 1964 |
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| Navicula latissima f. constricta (Karsten) Hustedt 1964 |
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