| [13438] Fragilaria construens var. cruciata | Appellations de Taxon | 13438 |
| [1344] Thamnobryum alopecurum | Appellations de Taxon | 1344 |
| [13440] Fragilaria capucina var. distans | Appellations de Taxon | 13440 |
| [13441] Frustulia chilensis | Appellations de Taxon | 13441 |
| [13442] Fogedia christensenii | Appellations de Taxon | 13442 |
| [13443] Frustulia cirisiae | Appellations de Taxon | 13443 |
| [13444] Fallacia clepsidroides | Appellations de Taxon | 13444 |
| [13445] Frustulia crassipunctatoides | Appellations de Taxon | 13445 |
| [13446] Fragilaria capucina ssp. rumpens | Appellations de Taxon | 13446 |
| [13447] Frustulia crassinervia | Appellations de Taxon | 13447 |
| [13448] Fragilariforma constricta var. trinodis | Appellations de Taxon | 13448 |
| [13449] Fallacia cunoniae | Appellations de Taxon | 13449 |
| [1345] Neckeraceae | Appellations de Taxon | 1345 |
| [13451] Fragilaria cyclopum | Appellations de Taxon | 13451 |
| [13452] Fragilaria diophthalma | Appellations de Taxon | 13452 |
| [13453] Frustulia dispersata | Appellations de Taxon | 13453 |
| [13454] Fallacia dithmarsica | Appellations de Taxon | 13454 |
| [13455] Fragilaria delicatula | Appellations de Taxon | 13455 |
| [13456] Fragilaria dorsiventralis abnormal form | Appellations de Taxon | 13456 |
| [13457] Fallacia diploneoides | Appellations de Taxon | 13457 |
| [13458] Fenestrella antiqua | Appellations de Taxon | 13458 |
| [13459] Frustulia entrancensis | Appellations de Taxon | 13459 |
| [1346] Homalia | Appellations de Taxon | 1346 |
| [13460] Frustulia erifuga | Appellations de Taxon | 13460 |
| [13461] Fallacia escorialis | Appellations de Taxon | 13461 |
| [13462] Fragilariforma acidobiontica | Appellations de Taxon | 13462 |
| [13463] Fragilaria fasciculata abnormal form | Appellations de Taxon | 13463 |
| [13464] Fragilaria crotonensis abnormal form | Appellations de Taxon | 13464 |
| [13465] Fragilaria crassa | Appellations de Taxon | 13465 |
| [13466] Fragilaria capucina var. septentrionalis | Appellations de Taxon | 13466 |
| [13467] Fragilaria capucina var. sublinearis | Appellations de Taxon | 13467 |
| [13468] Frustulia crassipunctata | Appellations de Taxon | 13468 |
| [13469] Fragilaria cassubica | Appellations de Taxon | 13469 |
| [1347] Homalia trichomanoides | Appellations de Taxon | 1347 |
| [13470] Fragilaria danica | Appellations de Taxon | 13470 |
| [13471] Fragilaria danica abnormal form | Appellations de Taxon | 13471 |
| [13472] Fragilaria delicatissima var. angustissima | Appellations de Taxon | 13472 |
| [13473] Fragilaria demerarae | Appellations de Taxon | 13473 |
| [13474] Fragilaria delicatissima abnormal form | Appellations de Taxon | 13474 |
| [13475] Fallacia difficillimoides | Appellations de Taxon | 13475 |
| [13476] Frustulia disjuncta | Appellations de Taxon | 13476 |
| [13477] Fallacia dissipatoides | Appellations de Taxon | 13477 |
| [13478] Fenestrella barbadensis | Appellations de Taxon | 13478 |
| [13479] Fallacia ecuadoriana | Appellations de Taxon | 13479 |
| [1348] Thamnium | Appellations de Taxon | 1348 |
| [13480] Fragilaria eichhornii | Appellations de Taxon | 13480 |
| [13481] Frustulia ellipticoides | Appellations de Taxon | 13481 |
| [13482] Frustulia elongata | Appellations de Taxon | 13482 |
| [13483] Fragilariforma constricta | Appellations de Taxon | 13483 |
| [13484] Fragilariforma constricta var. quadrata | Appellations de Taxon | 13484 |