| [18502] Surirella nervata | Appellations de Taxon | 18502 |
| [18503] Stauroneis neotropica | Appellations de Taxon | 18503 |
| [18504] Seminavis barbara | Appellations de Taxon | 18504 |
| [18505] Sellaphora macedonica | Appellations de Taxon | 18505 |
| [18506] Stauroneis microbtusa | Appellations de Taxon | 18506 |
| [18507] Stauroneis madagascariensis | Appellations de Taxon | 18507 |
| [18508] Stauroneis mediterranea | Appellations de Taxon | 18508 |
| [18509] Stauroneis megaphyllodes | Appellations de Taxon | 18509 |
| [1851] Epilobium parviflorum | Appellations de Taxon | 1851 |
| [18510] Stauroneis minima | Appellations de Taxon | 18510 |
| [18511] Stenopterobia minuscula | Appellations de Taxon | 18511 |
| [18512] Stephanodiscus miyagiensis | Appellations de Taxon | 18512 |
| [18513] Seminavis latior | Appellations de Taxon | 18513 |
| [18514] Synedra monodi | Appellations de Taxon | 18514 |
| [18515] Surirella minima | Appellations de Taxon | 18515 |
| [18516] Stauroneis minutula | Appellations de Taxon | 18516 |
| [18517] Sellaphora mutatoides | Appellations de Taxon | 18517 |
| [18518] Stauroneis muriella f. capitata | Appellations de Taxon | 18518 |
| [18519] Surirella muelleri | Appellations de Taxon | 18519 |
| [1852] Epilobium roseum | Appellations de Taxon | 1852 |
| [18520] Stauroneis muriella | Appellations de Taxon | 18520 |
| [18521] Surirella muscicola | Appellations de Taxon | 18521 |
| [18522] Stauroneis muriella f. triundulata | Appellations de Taxon | 18522 |
| [18523] Surirella myodon | Appellations de Taxon | 18523 |
| [18524] Stauronella decipiens | Appellations de Taxon | 18524 |
| [18525] Sellaphora neidioides | Appellations de Taxon | 18525 |
| [18526] Surirella neumeyeri | Appellations de Taxon | 18526 |
| [18527] Stephanodiscus niagarae | Appellations de Taxon | 18527 |
| [18528] Stauronella indubitabilis | Appellations de Taxon | 18528 |
| [18529] Stephanodiscus nipigonensis | Appellations de Taxon | 18529 |
| [1853] Epilobium tetragonum | Appellations de Taxon | 1853 |
| [18530] Stenopterobia neotropica | Appellations de Taxon | 18530 |
| [18531] Stauroneis nugsuaquensis | Appellations de Taxon | 18531 |
| [18532] Surirella ovalis var. apiculata | Appellations de Taxon | 18532 |
| [18533] Surirella obtusangula | Appellations de Taxon | 18533 |
| [18534] Stauroneis oblongella | Appellations de Taxon | 18534 |
| [18535] Stauroneis obtusa var. medioundata | Appellations de Taxon | 18535 |
| [18536] Stauroneis obtusa var. minor | Appellations de Taxon | 18536 |
| [18537] Stauroneis omurai | Appellations de Taxon | 18537 |
| [18538] Staurosira opacolineata | Appellations de Taxon | 18538 |
| [18539] Surirella ovalis var. pyriformis | Appellations de Taxon | 18539 |
| [18540] Surirella oregonica | Appellations de Taxon | 18540 |
| [18541] Sceptronema orientale | Appellations de Taxon | 18541 |
| [18542] Shionodiscus oestrupii | Appellations de Taxon | 18542 |
| [18543] Surirella obtusiuscula | Appellations de Taxon | 18543 |
| [18544] Sellaphora pupula var. aquaeductae | Appellations de Taxon | 18544 |
| [18546] Sellaphora perbacilloides | Appellations de Taxon | 18546 |
| [18547] Staurosira proboscoidea | Appellations de Taxon | 18547 |
| [18548] Surirella paucidens | Appellations de Taxon | 18548 |
| [18549] Stauroneis paucicostata | Appellations de Taxon | 18549 |