| [15240] Navicula dicephala var. subcapitata | Appellations de Taxon | 15240 |
| [15241] Nitzschia dissipata abnormal form | Appellations de Taxon | 15241 |
| [15242] Navicula deserti | Appellations de Taxon | 15242 |
| [15243] Navicula deltoides | Appellations de Taxon | 15243 |
| [15244] Neodenticula seminae | Appellations de Taxon | 15244 |
| [15245] Nitzschia distans var. tumescens | Appellations de Taxon | 15245 |
| [15246] Naviculadicta vitabunda | Appellations de Taxon | 15246 |
| [15247] Naviculadicta vekhovii | Appellations de Taxon | 15247 |
| [15248] Navicula diversistriata | Appellations de Taxon | 15248 |
| [15249] Naviculadicta witkowskii | Appellations de Taxon | 15249 |
| [1525] Scirpus sylvaticus | Appellations de Taxon | 1525 |
| [15250] Navicula dystrophica | Appellations de Taxon | 15250 |
| [15251] Nitzschia denticula morphotype yucatanensis | Appellations de Taxon | 15251 |
| [15252] Neidium aubertii | Appellations de Taxon | 15252 |
| [15253] Neidium acutum | Appellations de Taxon | 15253 |
| [15254] Neidium bisulcatum var. baicalense | Appellations de Taxon | 15254 |
| [15255] Neidium bergii | Appellations de Taxon | 15255 |
| [15256] Neidium bifurcatum | Appellations de Taxon | 15256 |
| [15257] Neidium bruunii | Appellations de Taxon | 15257 |
| [15258] Neidium boyeri | Appellations de Taxon | 15258 |
| [15259] Nitzschia ebroicensis | Appellations de Taxon | 15259 |
| [15260] Neidium capitellata | Appellations de Taxon | 15260 |
| [15261] Navicula elginensis var. constricta | Appellations de Taxon | 15261 |
| [15262] Neidium dilatatum f. curta | Appellations de Taxon | 15262 |
| [15263] Neidium didelta | Appellations de Taxon | 15263 |
| [15264] Neidium decoratum | Appellations de Taxon | 15264 |
| [15265] Neidium dubiforme | Appellations de Taxon | 15265 |
| [15266] Neidium dilatatum | Appellations de Taxon | 15266 |
| [15267] Neidium ehrenbergii | Appellations de Taxon | 15267 |
| [15268] Neidium ellipticis | Appellations de Taxon | 15268 |
| [15269] Neidium ellipticum | Appellations de Taxon | 15269 |
| [15270] Neidium essequiboanum | Appellations de Taxon | 15270 |
| [15271] Neidium excisum | Appellations de Taxon | 15271 |
| [15272] Neidium floridanum | Appellations de Taxon | 15272 |
| [15273] Neidium friedrichii | Appellations de Taxon | 15273 |
| [15274] Neidium gracile var. aequalis | Appellations de Taxon | 15274 |
| [15275] Navicula densilineolata | Appellations de Taxon | 15275 |
| [15277] Navicula distans | Appellations de Taxon | 15277 |
| [15278] Nitzschia densuensis | Appellations de Taxon | 15278 |
| [15279] Navicula dicephala var. lata | Appellations de Taxon | 15279 |
| [1528] Droseraceae | Appellations de Taxon | 1528 |
| [15280] Neidium dubium f. major | Appellations de Taxon | 15280 |
| [15281] Navicula dunstonii | Appellations de Taxon | 15281 |
| [15282] Navicula duomedia | Appellations de Taxon | 15282 |
| [15283] Neidium dubium var. peisonis | Appellations de Taxon | 15283 |
| [15284] Neidium dubium f. triundulata | Appellations de Taxon | 15284 |
| [15285] Naviculadicta vaucheriae | Appellations de Taxon | 15285 |
| [15286] Neidium affine f. constricta | Appellations de Taxon | 15286 |
| [15287] Neidium andinum | Appellations de Taxon | 15287 |
| [15288] Neidium alaskaense | Appellations de Taxon | 15288 |