| [18181] Surirella bidentata | Appellations de Taxon | 18181 |
| [18182] Stauroneis beltranii | Appellations de Taxon | 18182 |
| [18183] Stauroneis beyensii | Appellations de Taxon | 18183 |
| [18184] Sellaphora bacillum var. gregoryana | Appellations de Taxon | 18184 |
| [18185] Surirella biseriata var. heteropolis | Appellations de Taxon | 18185 |
| [18187] Surirella brevicostata | Appellations de Taxon | 18187 |
| [18188] Scolioneis brunkseiensis | Appellations de Taxon | 18188 |
| [18189] Staurosira borealis | Appellations de Taxon | 18189 |
| [1819] Utricularia vulgaris | Appellations de Taxon | 1819 |
| [18190] Stauroneis bryocola | Appellations de Taxon | 18190 |
| [18191] Synedra capilla | Appellations de Taxon | 18191 |
| [18192] Synedra camtschatica | Appellations de Taxon | 18192 |
| [18193] Surirella capronii var. obtusa | Appellations de Taxon | 18193 |
| [18194] Stauroneis cataractae | Appellations de Taxon | 18194 |
| [18195] Stauroneis circumborealoides | Appellations de Taxon | 18195 |
| [18197] Surirella chasei | Appellations de Taxon | 18197 |
| [18198] Surirella chepurnovii | Appellations de Taxon | 18198 |
| [18199] Surirella chilensis | Appellations de Taxon | 18199 |
| [182] Rhyacophilidae | Appellations de Taxon | 182 |
| [1820] Lythraceae | Appellations de Taxon | 1820 |
| [18200] Stauroneis chilensis | Appellations de Taxon | 18200 |
| [18201] Stauroneis charrua | Appellations de Taxon | 18201 |
| [18202] Stenopterobia chilensis | Appellations de Taxon | 18202 |
| [18203] Staurosira circula | Appellations de Taxon | 18203 |
| [18204] Stauroneis circumborealis | Appellations de Taxon | 18204 |
| [18205] Surirella celebesiana var. matanensis | Appellations de Taxon | 18205 |
| [18206] Stephanodiscus carconensis var. minor | Appellations de Taxon | 18206 |
| [18207] Stauroneis catharinella | Appellations de Taxon | 18207 |
| [18208] Surirella colomboensis | Appellations de Taxon | 18208 |
| [18209] Surirella conoidea | Appellations de Taxon | 18209 |
| [1821] Lythrum | Appellations de Taxon | 1821 |
| [18210] Surirella coei | Appellations de Taxon | 18210 |
| [18211] Surirella conifera | Appellations de Taxon | 18211 |
| [18212] Surirella comis | Appellations de Taxon | 18212 |
| [18213] Surirella capensis | Appellations de Taxon | 18213 |
| [18214] Stephanodiscus carconensis var. pusillus | Appellations de Taxon | 18214 |
| [18215] Surirella crassicostata | Appellations de Taxon | 18215 |
| [18216] Surirella carolinicola | Appellations de Taxon | 18216 |
| [18217] Synedra cyclopum var. robustum | Appellations de Taxon | 18217 |
| [18218] Surirella cristata | Appellations de Taxon | 18218 |
| [18219] Surirella cruciata | Appellations de Taxon | 18219 |
| [1822] Lythrum portula | Appellations de Taxon | 1822 |
| [18220] Stauroneis catharinae | Appellations de Taxon | 18220 |
| [18221] Stauroneis correntina | Appellations de Taxon | 18221 |
| [18222] Staurosira contorta | Appellations de Taxon | 18222 |
| [18223] Staurosira construens var. triundulata | Appellations de Taxon | 18223 |
| [18224] Surirella costulata | Appellations de Taxon | 18224 |
| [18225] Surirella curvifaces | Appellations de Taxon | 18225 |
| [18226] Surirella cuspidata | Appellations de Taxon | 18226 |
| [18227] Surirella debesi | Appellations de Taxon | 18227 |