| [1598] Vallisneria spiralis | Appellations de Taxon | 1598 |
| [15980] Navicula nutata | Appellations de Taxon | 15980 |
| [15981] Navicula nuwukiana | Appellations de Taxon | 15981 |
| [15982] Navicula novadecipiens | Appellations de Taxon | 15982 |
| [15983] Navicula novaeguineaensis | Appellations de Taxon | 15983 |
| [15984] Nitzschia novaehollandiae | Appellations de Taxon | 15984 |
| [15985] Nitzschia navrongensis | Appellations de Taxon | 15985 |
| [15986] Navicula montanestris | Appellations de Taxon | 15986 |
| [15987] Navicula mintracta | Appellations de Taxon | 15987 |
| [15988] Navicula martyi | Appellations de Taxon | 15988 |
| [15989] Navicula mentzii | Appellations de Taxon | 15989 |
| [1599] Iridaceae | Appellations de Taxon | 1599 |
| [15990] Navicula muralibionta | Appellations de Taxon | 15990 |
| [15991] Navicula mutica var. capitata | Appellations de Taxon | 15991 |
| [15992] Navicula mutica var. entoleia | Appellations de Taxon | 15992 |
| [15993] Navicula mutica f. gibbosa | Appellations de Taxon | 15993 |
| [15994] Navicula nabrona f. ovalis | Appellations de Taxon | 15994 |
| [15995] Navicula narinosa | Appellations de Taxon | 15995 |
| [15996] Navicula nasuta | Appellations de Taxon | 15996 |
| [15997] Nitzschia nicobarica | Appellations de Taxon | 15997 |
| [15998] Nitzschia neocaledonica | Appellations de Taxon | 15998 |
| [15999] Navicula nicolai | Appellations de Taxon | 15999 |
| [16] Taeniopteryx hubaulti | Appellations de Taxon | 16 |
| [160] Marthamea selysii | Appellations de Taxon | 160 |
| [1600] Iris | Appellations de Taxon | 1600 |
| [16000] Navicula nebulosa | Appellations de Taxon | 16000 |
| [16001] Nitzschia novae-guinaeensis | Appellations de Taxon | 16001 |
| [16002] Navicula niceaencis | Appellations de Taxon | 16002 |
| [16003] Navicula nidulans | Appellations de Taxon | 16003 |
| [16004] Navicula nipponica | Appellations de Taxon | 16004 |
| [16005] Navicula nitrophila | Appellations de Taxon | 16005 |
| [16006] Nanoneis longta | Appellations de Taxon | 16006 |
| [16007] Navicula normaloides | Appellations de Taxon | 16007 |
| [16008] Navicula northumbrica | Appellations de Taxon | 16008 |
| [16009] Navicula nansenii | Appellations de Taxon | 16009 |
| [1601] Iris pseudacorus | Appellations de Taxon | 1601 |
| [16010] Navicula natchikae | Appellations de Taxon | 16010 |
| [16011] Navicula notanda | Appellations de Taxon | 16011 |
| [16012] Nitzschia nathorsti | Appellations de Taxon | 16012 |
| [16013] Nitzschia neotropica | Appellations de Taxon | 16013 |
| [16014] Neidium neotropicum | Appellations de Taxon | 16014 |
| [16015] Navicula nubila | Appellations de Taxon | 16015 |
| [16016] Navicula nuda | Appellations de Taxon | 16016 |
| [16017] Navicula novaeseelandiae | Appellations de Taxon | 16017 |
| [16018] Navicula nympharum | Appellations de Taxon | 16018 |
| [16019] Nitzschia nyassensis | Appellations de Taxon | 16019 |
| [1602] Juncaginaceae | Appellations de Taxon | 1602 |
| [16020] Navicula oblonga var. alternans | Appellations de Taxon | 16020 |
| [16021] Navicula oblonga var. acuminata | Appellations de Taxon | 16021 |
| [16022] Navicula oblonga var. cuneata | Appellations de Taxon | 16022 |