| [15701] Navicula jeffreyi | Appellations de Taxon | 15701 |
| [15702] Nitzschia jelineckii | Appellations de Taxon | 15702 |
| [15703] Navicula jentzschii | Appellations de Taxon | 15703 |
| [15704] Nitzschia irrepta | Appellations de Taxon | 15704 |
| [15705] Navicula irrorata | Appellations de Taxon | 15705 |
| [15706] Nitzschia irresoluta | Appellations de Taxon | 15706 |
| [15707] Navicula insulsa | Appellations de Taxon | 15707 |
| [15708] Neidium iridis var. subampliatum | Appellations de Taxon | 15708 |
| [15709] Nitzschia serrata | Appellations de Taxon | 15709 |
| [1571] Molinia caerulea | Appellations de Taxon | 1571 |
| [15710] Nitzschia italica | Appellations de Taxon | 15710 |
| [15711] Navicula intermixta | Appellations de Taxon | 15711 |
| [15712] Nitzschia tonoensis | Appellations de Taxon | 15712 |
| [15713] Nitzschia intermedia abnormal form | Appellations de Taxon | 15713 |
| [15714] Navicula inscriptura | Appellations de Taxon | 15714 |
| [15715] Navicula johanrossii | Appellations de Taxon | 15715 |
| [15716] Nitzschia johnmartinii | Appellations de Taxon | 15716 |
| [15717] Navicula jonssonii | Appellations de Taxon | 15717 |
| [15718] Navicula juanitalinda | Appellations de Taxon | 15718 |
| [15719] Navicula juba | Appellations de Taxon | 15719 |
| [1572] Nardus | Appellations de Taxon | 1572 |
| [15720] Naviculadicta jurafontinalis | Appellations de Taxon | 15720 |
| [15721] Navicula jungii | Appellations de Taxon | 15721 |
| [15722] Navicula kariana var. detersa | Appellations de Taxon | 15722 |
| [15723] Neidium kozlowi var. baicalensis f. robusta | Appellations de Taxon | 15723 |
| [15724] Navicula kariana var. curta | Appellations de Taxon | 15724 |
| [15725] Neidium kozlowi var. densestriata | Appellations de Taxon | 15725 |
| [15726] Navicula kefvingensis | Appellations de Taxon | 15726 |
| [15727] Neidium kozlowi var. elpatiewskyi f. majus | Appellations de Taxon | 15727 |
| [15728] Navicula kepesii | Appellations de Taxon | 15728 |
| [15729] Nitzschia kimberliensis | Appellations de Taxon | 15729 |
| [1573] Nardus stricta | Appellations de Taxon | 1573 |
| [15730] Nitzschia kittlii | Appellations de Taxon | 15730 |
| [15731] Nitzschia kowiensis | Appellations de Taxon | 15731 |
| [15732] Navicula korzeniewskii | Appellations de Taxon | 15732 |
| [15733] Navicula kariana var. perpusilla | Appellations de Taxon | 15733 |
| [15734] Nitzschia krenicola | Appellations de Taxon | 15734 |
| [15735] Navicula krammerae | Appellations de Taxon | 15735 |
| [15736] Navicula krsticii | Appellations de Taxon | 15736 |
| [15737] Nitzschia kittonii | Appellations de Taxon | 15737 |
| [15738] Nitzschia kurzii abnormal form | Appellations de Taxon | 15738 |
| [15739] Navicula lacus-karluki | Appellations de Taxon | 15739 |
| [1574] Paspalum | Appellations de Taxon | 1574 |
| [15741] Navicula laterostrata var. rostrata | Appellations de Taxon | 15741 |
| [15742] Nitzschia lawsonii | Appellations de Taxon | 15742 |
| [15743] Navicula lacusbaicali | Appellations de Taxon | 15743 |
| [15744] Naviculadicta parasemen | Appellations de Taxon | 15744 |
| [15745] Nitzschia lecointei | Appellations de Taxon | 15745 |
| [15746] Nitzschia leehyi | Appellations de Taxon | 15746 |
| [15747] Navicula lehmanniae | Appellations de Taxon | 15747 |