| [16205] Nitzschia paleacea abnormal form | Appellations de Taxon | 16205 |
| [16206] Navicula petilina | Appellations de Taxon | 16206 |
| [16207] Navicula plicatula | Appellations de Taxon | 16207 |
| [16208] Navicula pseudotemeraria | Appellations de Taxon | 16208 |
| [16209] Navicula patrina | Appellations de Taxon | 16209 |
| [1621] Juncus squamosus | Appellations de Taxon | 1621 |
| [16210] Navicula peticolasii | Appellations de Taxon | 16210 |
| [16211] Nitzschia palea abnormal form | Appellations de Taxon | 16211 |
| [16212] Navicula platyventris | Appellations de Taxon | 16212 |
| [16213] Nitzschia perspicillata | Appellations de Taxon | 16213 |
| [16214] Navicula perpendicularis | Appellations de Taxon | 16214 |
| [16215] Navicula paupercula | Appellations de Taxon | 16215 |
| [16216] Navicula pseudopima | Appellations de Taxon | 16216 |
| [16217] Navicula pseudopelliculosa | Appellations de Taxon | 16217 |
| [16218] Nitzschia palea var. perminuta | Appellations de Taxon | 16218 |
| [16219] Navicula peripontica | Appellations de Taxon | 16219 |
| [1622] Juncus subnodulosus | Appellations de Taxon | 1622 |
| [16220] Navicula prinslooii | Appellations de Taxon | 16220 |
| [16221] Nitzschia prolongata var. prolongata | Appellations de Taxon | 16221 |
| [16222] Navicula parentum | Appellations de Taxon | 16222 |
| [16223] Navicula parsura | Appellations de Taxon | 16223 |
| [16224] Navicula pseudoarvensis | Appellations de Taxon | 16224 |
| [16225] Nitzschia persuadens | Appellations de Taxon | 16225 |
| [16226] Navicula pseudosemilyrata | Appellations de Taxon | 16226 |
| [16227] Navicula pseudoventosa | Appellations de Taxon | 16227 |
| [16228] Navicula pseudosydowii | Appellations de Taxon | 16228 |
| [16229] Navicula paul-schulzii | Appellations de Taxon | 16229 |
| [1623] Lemnaceae | Appellations de Taxon | 1623 |
| [16230] Navicula peracuta | Appellations de Taxon | 16230 |
| [16231] Navicula perturbata | Appellations de Taxon | 16231 |
| [16232] Nitzschia pantocsekii | Appellations de Taxon | 16232 |
| [16233] Navicula peltoides | Appellations de Taxon | 16233 |
| [16234] Navicula pseudotenelloides | Appellations de Taxon | 16234 |
| [16235] Navicula pusioides | Appellations de Taxon | 16235 |
| [16236] Navicula pseudoppugnata | Appellations de Taxon | 16236 |
| [16237] Navicula pupula var. hollerupensis | Appellations de Taxon | 16237 |
| [16238] Navicula pusilla var. jamalinensis | Appellations de Taxon | 16238 |
| [16239] Navicula pupula var. undulata | Appellations de Taxon | 16239 |
| [1624] Lemna | Appellations de Taxon | 1624 |
| [16240] Navicula petrovskae | Appellations de Taxon | 16240 |
| [16241] Nitzschia plioveterana | Appellations de Taxon | 16241 |
| [16242] Navicula parvipenda | Appellations de Taxon | 16242 |
| [16243] Navicula quadrisinuata | Appellations de Taxon | 16243 |
| [16244] Navicula quaterna | Appellations de Taxon | 16244 |
| [16245] Navicula quintiana | Appellations de Taxon | 16245 |
| [16246] Nitzschia quadrangula | Appellations de Taxon | 16246 |
| [16247] Navicula quercyana | Appellations de Taxon | 16247 |
| [16248] Navicula quincunx | Appellations de Taxon | 16248 |
| [16249] Navicula quadriundulata | Appellations de Taxon | 16249 |
| [1625] Lemna gibba | Appellations de Taxon | 1625 |