| [13485] Fragilariforma constricta f. stricta | Appellations de Taxon | 13485 |
| [13486] Fragilariforma constricta f. tetranodis | Appellations de Taxon | 13486 |
| [13487] Fallacia forcipata var. densestriata | Appellations de Taxon | 13487 |
| [13488] Fragilariforma floridana | Appellations de Taxon | 13488 |
| [13489] Fragilariforma hamiltonii | Appellations de Taxon | 13489 |
| [13490] Fragilariopsis fossilis | Appellations de Taxon | 13490 |
| [13491] Fragilariforma polygonata | Appellations de Taxon | 13491 |
| [13492] Fallacia forcipata var. punctata | Appellations de Taxon | 13492 |
| [13493] Fragilariforma strangulata | Appellations de Taxon | 13493 |
| [13494] Fragilaria germainii f. acostata | Appellations de Taxon | 13494 |
| [13495] Frustulia gaertneriae | Appellations de Taxon | 13495 |
| [13496] Frustulia guayanensis ssp. ecuadoriana | Appellations de Taxon | 13496 |
| [13497] Fragilaria gedanensis | Appellations de Taxon | 13497 |
| [13498] Fogedia geisslerae | Appellations de Taxon | 13498 |
| [13499] Fragilaria germainii | Appellations de Taxon | 13499 |
| [135] Dictyogenus ventralis | Appellations de Taxon | 135 |
| [1350] Orthotrichiaceae | Appellations de Taxon | 1350 |
| [13500] Fogedia giffeniana var. giffeniana | Appellations de Taxon | 13500 |
| [13501] Fragilaria heidenii | Appellations de Taxon | 13501 |
| [13502] Fragilaria henryi | Appellations de Taxon | 13502 |
| [13503] Fallacia hyalinula | Appellations de Taxon | 13503 |
| [13505] Fragilaria heidenii var. sublinearis | Appellations de Taxon | 13505 |
| [13506] Fragilaria hungarica var. tumida | Appellations de Taxon | 13506 |
| [13508] Fragilaria intermedia var. continua | Appellations de Taxon | 13508 |
| [13509] Fragilaria inflata var. istvanffyi | Appellations de Taxon | 13509 |
| [1351] Orthotrichum | Appellations de Taxon | 1351 |
| [13510] Fragilaria intermedia var. kamtschatica | Appellations de Taxon | 13510 |
| [13511] Fragilaria intermedia var. karelica | Appellations de Taxon | 13511 |
| [13512] Fragilaria intermedia var. lanceolata | Appellations de Taxon | 13512 |
| [13513] Fragilaria improbula | Appellations de Taxon | 13513 |
| [13514] Fragilariforma hungarica var. tumida | Appellations de Taxon | 13514 |
| [13515] Fogedia finmarchica | Appellations de Taxon | 13515 |
| [13516] Fragilariforma lata | Appellations de Taxon | 13516 |
| [13517] Frustulia floridana | Appellations de Taxon | 13517 |
| [13518] Fallacia florinae | Appellations de Taxon | 13518 |
| [13519] Fragilariforma lata var. acuta | Appellations de Taxon | 13519 |
| [1352] Orthotrichum rivulare | Appellations de Taxon | 1352 |
| [13520] Fragilariforma neoproducta | Appellations de Taxon | 13520 |
| [13521] Fragilariforma virescens var. capitata | Appellations de Taxon | 13521 |
| [13522] Fragilariforma virescens var. exigua | Appellations de Taxon | 13522 |
| [13523] Fragilariforma virescens var. elliptica | Appellations de Taxon | 13523 |
| [13524] Fragilariforma virescens var. mesolepta | Appellations de Taxon | 13524 |
| [13525] Fragilariforma virescens var. oblongella | Appellations de Taxon | 13525 |
| [13526] Fragilariforma virescens var. subsalina | Appellations de Taxon | 13526 |
| [13527] Fragilariforma williamsii | Appellations de Taxon | 13527 |
| [13528] Fogedia giffeniana var. jemenitica | Appellations de Taxon | 13528 |
| [13529] Fragilaria goulardii abnormal form | Appellations de Taxon | 13529 |
| [1353] Plagiotheciaceae | Appellations de Taxon | 1353 |
| [13530] Fogedia gesslerae | Appellations de Taxon | 13530 |
| [13531] Frustulia guayanensis | Appellations de Taxon | 13531 |