| [14915] Navicula anderabensis | Appellations de Taxon | 14915 |
| [14916] Navicula anglica f. elongata | Appellations de Taxon | 14916 |
| [14917] Navicula anhuiensis | Appellations de Taxon | 14917 |
| [14918] Nitzschia aniae | Appellations de Taxon | 14918 |
| [14919] Nitzschia ankobraensis | Appellations de Taxon | 14919 |
| [1492] Cladium | Appellations de Taxon | 1492 |
| [14920] Navicula anglica var. ancyli | Appellations de Taxon | 14920 |
| [14921] Navicula amoena | Appellations de Taxon | 14921 |
| [14922] Nitzschia apropongensis | Appellations de Taxon | 14922 |
| [14923] Navicula antonii abnormal form | Appellations de Taxon | 14923 |
| [14924] Nitzschia alpinobacillum | Appellations de Taxon | 14924 |
| [14925] Navicula apiculata | Appellations de Taxon | 14925 |
| [14926] Navicula accomoda f. robusta | Appellations de Taxon | 14926 |
| [14927] Nitzschia arcuata | Appellations de Taxon | 14927 |
| [14928] Navicula arvensoides | Appellations de Taxon | 14928 |
| [14929] Navicula arenaria var. arenaria | Appellations de Taxon | 14929 |
| [1493] Cladium mariscus | Appellations de Taxon | 1493 |
| [14930] Navicula arenariaeformis | Appellations de Taxon | 14930 |
| [14931] Navicula arkona | Appellations de Taxon | 14931 |
| [14932] Navicula aspergilla | Appellations de Taxon | 14932 |
| [14933] Navicula asklepieionensis | Appellations de Taxon | 14933 |
| [14934] Navicula stroesei var. lanceolata | Appellations de Taxon | 14934 |
| [14935] Navicula solaris | Appellations de Taxon | 14935 |
| [14936] Navicula anglica var. subsalsa | Appellations de Taxon | 14936 |
| [14937] Navicula subdilucida | Appellations de Taxon | 14937 |
| [14938] Navicula atomus var. circularis | Appellations de Taxon | 14938 |
| [1494] Cyperus | Appellations de Taxon | 1494 |
| [14940] Nitzschia austriaca | Appellations de Taxon | 14940 |
| [14941] Navicula aurantiaca | Appellations de Taxon | 14941 |
| [14942] Navicula avonensis | Appellations de Taxon | 14942 |
| [14943] Navicula exigua var. alaskaensis | Appellations de Taxon | 14943 |
| [14944] Navicula baileyana | Appellations de Taxon | 14944 |
| [14945] Nitzschia bilobata var. ambigua | Appellations de Taxon | 14945 |
| [14946] Nitzschia brebissonii | Appellations de Taxon | 14946 |
| [14947] Navicula bacilliformis | Appellations de Taxon | 14947 |
| [14948] Nitzschia bacillum | Appellations de Taxon | 14948 |
| [14949] Navicula bicuneolus | Appellations de Taxon | 14949 |
| [1495] Cyperus badius | Appellations de Taxon | 1495 |
| [14950] Navicula biconica | Appellations de Taxon | 14950 |
| [14951] Navicula bacillum f. delicatula | Appellations de Taxon | 14951 |
| [14952] Nitzschia behrei | Appellations de Taxon | 14952 |
| [14953] Navicula belsesiensis | Appellations de Taxon | 14953 |
| [14954] Navicula anglica var. lapponica | Appellations de Taxon | 14954 |
| [14955] Navicula anglica f. minor | Appellations de Taxon | 14955 |
| [14956] Navicula anopaia | Appellations de Taxon | 14956 |
| [14957] Navicula ancisa | Appellations de Taxon | 14957 |
| [14958] Navicula annulata | Appellations de Taxon | 14958 |
| [14959] Navicula agnewii | Appellations de Taxon | 14959 |
| [1496] Cyperus difformis | Appellations de Taxon | 1496 |
| [14960] Navicula annexa | Appellations de Taxon | 14960 |