| [15051] Navicula circumsecta | Appellations de Taxon | 15051 |
| [15052] Navicula crucigeroides | Appellations de Taxon | 15052 |
| [15053] Navicula crucigeriformis | Appellations de Taxon | 15053 |
| [15054] Navicula chingmaiensis | Appellations de Taxon | 15054 |
| [15055] Navicula cryptotenelloides abnormal form | Appellations de Taxon | 15055 |
| [15056] Navicula schefterae | Appellations de Taxon | 15056 |
| [15057] Nitzschia chuchiligaensis | Appellations de Taxon | 15057 |
| [15058] Navicula chi | Appellations de Taxon | 15058 |
| [15059] Nitzschia chalonii | Appellations de Taxon | 15059 |
| [1506] Eleocharis palustris | Appellations de Taxon | 1506 |
| [15060] Nitzschia clausii var. curvirostrata | Appellations de Taxon | 15060 |
| [15061] Navicula clagesii | Appellations de Taxon | 15061 |
| [15062] Navicula cholnokyana | Appellations de Taxon | 15062 |
| [15063] Navicula collertsonii | Appellations de Taxon | 15063 |
| [15064] Nitzschia clausii f. major | Appellations de Taxon | 15064 |
| [15065] Navicula celinei | Appellations de Taxon | 15065 |
| [15066] Nitzschia barrowiana | Appellations de Taxon | 15066 |
| [15067] Navicula brevissima | Appellations de Taxon | 15067 |
| [15068] Navicula brevirostrata | Appellations de Taxon | 15068 |
| [15069] Navicula brunelii | Appellations de Taxon | 15069 |
| [1507] Eleocharis quinqueflora | Appellations de Taxon | 1507 |
| [15070] Nitzschia brevior | Appellations de Taxon | 15070 |
| [15071] Neidium bisulcatum var. subampliatum | Appellations de Taxon | 15071 |
| [15072] Nitzschia bansoensis | Appellations de Taxon | 15072 |
| [15073] Neidium buhrianum | Appellations de Taxon | 15073 |
| [15074] Nitzschia bukensis | Appellations de Taxon | 15074 |
| [15075] Navicula brockmanni var. undulata | Appellations de Taxon | 15075 |
| [15076] Nitzschia bulnheimiana abnormal form | Appellations de Taxon | 15076 |
| [15077] Navicula bossvikensis | Appellations de Taxon | 15077 |
| [15078] Nitzschia brevirostris | Appellations de Taxon | 15078 |
| [15079] Nitzschia brevistriata | Appellations de Taxon | 15079 |
| [1508] Eleocharis uniglumis | Appellations de Taxon | 1508 |
| [15080] Navicula breviata | Appellations de Taxon | 15080 |
| [15081] Navicula cassieana | Appellations de Taxon | 15081 |
| [15082] Navicula catalanogermanica | Appellations de Taxon | 15082 |
| [15083] Naviculadicta circumborealis | Appellations de Taxon | 15083 |
| [15084] Navicula cariocincta | Appellations de Taxon | 15084 |
| [15085] Nitzschia concordia | Appellations de Taxon | 15085 |
| [15086] Nitzschia campechiana | Appellations de Taxon | 15086 |
| [15087] Nitzschia caledonensis | Appellations de Taxon | 15087 |
| [15088] Navicula cadoi | Appellations de Taxon | 15088 |
| [15089] Nitzschia chardezii | Appellations de Taxon | 15089 |
| [1509] Eriophorum | Appellations de Taxon | 1509 |
| [15090] Navicula contenta f. elongata | Appellations de Taxon | 15090 |
| [15091] Navicula certa | Appellations de Taxon | 15091 |
| [15092] Navicula cryptocefalsa | Appellations de Taxon | 15092 |
| [15093] Nitzschia confusa | Appellations de Taxon | 15093 |
| [15094] Neidium curtihamatum | Appellations de Taxon | 15094 |
| [15095] Navicula chaspula | Appellations de Taxon | 15095 |
| [15096] Navicula chiarae | Appellations de Taxon | 15096 |