| [16341] Navicula retusa | Appellations de Taxon | 16341 |
| [16342] Navicula ruttneri var. capitata | Appellations de Taxon | 16342 |
| [16343] Navicula sabiniana | Appellations de Taxon | 16343 |
| [16344] Navicula salinarum f. capitata | Appellations de Taxon | 16344 |
| [16345] Neidium sardiniense | Appellations de Taxon | 16345 |
| [16346] Navicula saeptata | Appellations de Taxon | 16346 |
| [16347] Navicula schubartii var. africana | Appellations de Taxon | 16347 |
| [16348] Navicula sagitta | Appellations de Taxon | 16348 |
| [16349] Nitzschia sakaensis | Appellations de Taxon | 16349 |
| [1635] Lobelia dortmanna | Appellations de Taxon | 1635 |
| [16350] Navicula subelongata | Appellations de Taxon | 16350 |
| [16351] Nitzschia steenbergensis | Appellations de Taxon | 16351 |
| [16352] Navicula subirritans | Appellations de Taxon | 16352 |
| [16353] Navicula subalpina | Appellations de Taxon | 16353 |
| [16354] Navicula subocculta | Appellations de Taxon | 16354 |
| [16355] Nitzschia subconstricta | Appellations de Taxon | 16355 |
| [16356] Navicula subtenelloides | Appellations de Taxon | 16356 |
| [16357] Navicula scabellum | Appellations de Taxon | 16357 |
| [16358] Navicula subcancellata | Appellations de Taxon | 16358 |
| [16359] Navicula scela | Appellations de Taxon | 16359 |
| [1636] Potamogetonaceae | Appellations de Taxon | 1636 |
| [16360] Navicula scalifera | Appellations de Taxon | 16360 |
| [16361] Navicula subcingulata | Appellations de Taxon | 16361 |
| [16362] Navicula scintillans | Appellations de Taxon | 16362 |
| [16363] Nitzschia subcurvata | Appellations de Taxon | 16363 |
| [16364] Nitzschia stoliczkiana | Appellations de Taxon | 16364 |
| [16365] Navicula semidecora | Appellations de Taxon | 16365 |
| [16367] Navicula sandegrinii | Appellations de Taxon | 16367 |
| [16368] Nitzschia sigma var. diminuta | Appellations de Taxon | 16368 |
| [16369] Navicula sudanensis | Appellations de Taxon | 16369 |
| [1637] Groelandia | Appellations de Taxon | 1637 |
| [16370] Navicula subdicephala | Appellations de Taxon | 16370 |
| [16371] Navicula senjoensis | Appellations de Taxon | 16371 |
| [16372] Nitzschia serrata f. elongata | Appellations de Taxon | 16372 |
| [16373] Navicula senonquei | Appellations de Taxon | 16373 |
| [16374] Navicula secreta | Appellations de Taxon | 16374 |
| [16375] Navicula salinarum var. salinarum | Appellations de Taxon | 16375 |
| [16376] Navicula salinarum var. minima | Appellations de Taxon | 16376 |
| [16378] Navicula sarolata | Appellations de Taxon | 16378 |
| [16379] Navicula salinarum var. rostrata | Appellations de Taxon | 16379 |
| [1638] Groenlandia densa | Appellations de Taxon | 1638 |
| [16380] Navicula savannahiana | Appellations de Taxon | 16380 |
| [16381] Navicula streckerae | Appellations de Taxon | 16381 |
| [16382] Navicula scintillosa | Appellations de Taxon | 16382 |
| [16383] Nitzschia subcommunis | Appellations de Taxon | 16383 |
| [16384] Navicula subcarinata | Appellations de Taxon | 16384 |
| [16385] Navicula scoliopleura | Appellations de Taxon | 16385 |
| [16386] Navicula schaarschmidtii | Appellations de Taxon | 16386 |
| [16387] Navicula subcostulata | Appellations de Taxon | 16387 |
| [16388] Navicula scutum | Appellations de Taxon | 16388 |