| [28857] Navicula fuegiana var. yberiensis | Appellations de Taxon | 28857 |
| [28858] Navicula gastrum var. capitata | Appellations de Taxon | 28858 |
| [28859] Navicula grimmei var. producta | Appellations de Taxon | 28859 |
| [2886] Dolichopus | Appellations de Taxon | 2886 |
| [28860] Navicula hochstetteri var. patagonica | Appellations de Taxon | 28860 |
| [28861] Navicula humerosa var. ovalis | Appellations de Taxon | 28861 |
| [28862] Navicula iridis var. reducta | Appellations de Taxon | 28862 |
| [28863] Navicula longa var. irregularis | Appellations de Taxon | 28863 |
| [28864] Navicula mutica var. constricta | Appellations de Taxon | 28864 |
| [28865] Navicula muticopsis var. linearis | Appellations de Taxon | 28865 |
| [28866] Navicula muticopsis var. yberai | Appellations de Taxon | 28866 |
| [28867] Navicula patagonica var. schmidtii | Appellations de Taxon | 28867 |
| [28868] Navicula peragalli var. gracilis | Appellations de Taxon | 28868 |
| [28869] Navicula peregrina var. acuta | Appellations de Taxon | 28869 |
| [2887] Hercostomus | Appellations de Taxon | 2887 |
| [28870] Navicula peregrina var. perlonga | Appellations de Taxon | 28870 |
| [28871] Navicula pseudocari var. minor | Appellations de Taxon | 28871 |
| [28872] Navicula sculpta var. doliolus | Appellations de Taxon | 28872 |
| [28873] Navicula silicula var. parva | Appellations de Taxon | 28873 |
| [28874] Navicula silicula var. semicruciata | Appellations de Taxon | 28874 |
| [28875] Navicula subcontenta var. africana | Appellations de Taxon | 28875 |
| [28876] Navicula subovalis var. major | Appellations de Taxon | 28876 |
| [28877] Navicula tripunctata var. arctica | Appellations de Taxon | 28877 |
| [28878] Navicula vacillans var. inflata | Appellations de Taxon | 28878 |
| [28879] Navicula major var. perlonga | Appellations de Taxon | 28879 |
| [2888] Hypophyllus | Appellations de Taxon | 2888 |
| [28880] Neidium hustedtii var. ellipticum | Appellations de Taxon | 28880 |
| [28881] Nitzschia bulnheimiana var. capitata | Appellations de Taxon | 28881 |
| [28882] Nitzschia coarctata var. oceanica | Appellations de Taxon | 28882 |
| [28883] Nitzschia denticula var. capitata | Appellations de Taxon | 28883 |
| [28884] Nitzschia hungarica var. apiculata | Appellations de Taxon | 28884 |
| [28885] Nitzschia lecointei var. correntina | Appellations de Taxon | 28885 |
| [28886] Nitzschia limi var. minor | Appellations de Taxon | 28886 |
| [28887] Nitzschia longissima var. cylindrica | Appellations de Taxon | 28887 |
| [28888] Nitzschia majuscula var. curvirostris | Appellations de Taxon | 28888 |
| [28889] Nitzschia obtusa var. sodalis | Appellations de Taxon | 28889 |
| [2889] Sybistroma | Appellations de Taxon | 2889 |
| [28890] Nitzschia palea var. sumatrana | Appellations de Taxon | 28890 |
| [28891] Nitzschia palea var. tropica | Appellations de Taxon | 28891 |
| [28892] Nitzschia panduriformis var. parva | Appellations de Taxon | 28892 |
| [28893] Nitzschia punae var. major | Appellations de Taxon | 28893 |
| [28894] Nitzschia sigma var. calamae | Appellations de Taxon | 28894 |
| [28895] Nitzschia silicula var. commutata | Appellations de Taxon | 28895 |
| [28896] Nitzschia sphaerophora var. acephala | Appellations de Taxon | 28896 |
| [28897] Nitzschia sublinearis var. major | Appellations de Taxon | 28897 |
| [28898] Nitzschia subtilis var. acicularis | Appellations de Taxon | 28898 |
| [28899] Olifantiella mascarenica var. rodriguensis | Appellations de Taxon | 28899 |
| [289] Lithax | Appellations de Taxon | 289 |
| [2890] Tachytrechus | Appellations de Taxon | 2890 |
| [28900] Parlibellus hamulifera var. plicata | Appellations de Taxon | 28900 |