| [18136] Rhoicosphenia macedonica | Appellations de Taxon | 18136 |
| [18137] Rhoicosphenia marina | Appellations de Taxon | 18137 |
| [18138] Rhopalodia michelorum | Appellations de Taxon | 18138 |
| [18139] Rhabdonema minutum | Appellations de Taxon | 18139 |
| [1814] Trifolium hybridum | Appellations de Taxon | 1814 |
| [18140] Rhaphoneis nitida | Appellations de Taxon | 18140 |
| [18141] Raphidophora elegans | Appellations de Taxon | 18141 |
| [18142] Rossithidium petersenii | Appellations de Taxon | 18142 |
| [18143] Rhopalodia parallela var. minor | Appellations de Taxon | 18143 |
| [18144] Raphidophora danica | Appellations de Taxon | 18144 |
| [18145] Rattrayella petitii | Appellations de Taxon | 18145 |
| [18146] Rhoicosphenia pullus | Appellations de Taxon | 18146 |
| [18147] Rossithidium pusillum | Appellations de Taxon | 18147 |
| [18148] Rattrayella rattrayi | Appellations de Taxon | 18148 |
| [18149] Reimeria sinuata abnormal form | Appellations de Taxon | 18149 |
| [1815] Trifolium pratense | Appellations de Taxon | 1815 |
| [18150] Reimeria sinuata f. ovata | Appellations de Taxon | 18150 |
| [18151] Rhoikoneis sponsalia | Appellations de Taxon | 18151 |
| [18152] Rhopalodia supresemicirculata | Appellations de Taxon | 18152 |
| [18153] Rhopalodia sterrenburgii | Appellations de Taxon | 18153 |
| [18154] Rhizosolenia styliformis | Appellations de Taxon | 18154 |
| [18155] Surirella agmatilis | Appellations de Taxon | 18155 |
| [18156] Staurosira altiplanensis | Appellations de Taxon | 18156 |
| [18157] Stauroneis amica | Appellations de Taxon | 18157 |
| [18158] Stauroneis amicula | Appellations de Taxon | 18158 |
| [18159] Sellaphora amoena | Appellations de Taxon | 18159 |
| [1816] Trifolium repens | Appellations de Taxon | 1816 |
| [18160] Stephanodiscus astraea var. multipunctata | Appellations de Taxon | 18160 |
| [18161] Stenopterobia anceps ssp. anceps | Appellations de Taxon | 18161 |
| [18162] Stauroneis amphibia | Appellations de Taxon | 18162 |
| [18163] Surirella amphioxys | Appellations de Taxon | 18163 |
| [18164] Stauroneis amplipora | Appellations de Taxon | 18164 |
| [18165] Stauroneis amphicephaloides | Appellations de Taxon | 18165 |
| [18166] Surirella archibaldii | Appellations de Taxon | 18166 |
| [18167] Synedra acus subsp. radians | Appellations de Taxon | 18167 |
| [18168] Staurosirella ansata | Appellations de Taxon | 18168 |
| [18169] Surirella astridae | Appellations de Taxon | 18169 |
| [1817] Lentibulariaceae | Appellations de Taxon | 1817 |
| [18170] Surirella asperrima | Appellations de Taxon | 18170 |
| [18171] Symbolophora amblyoceros | Appellations de Taxon | 18171 |
| [18172] Synedra barbatula | Appellations de Taxon | 18172 |
| [18173] Seminavis basilica | Appellations de Taxon | 18173 |
| [18174] Stauroneis bathurstensis | Appellations de Taxon | 18174 |
| [18175] Surirella biseriata var. bicuspidata | Appellations de Taxon | 18175 |
| [18176] Surirella biseriata var. celebesiana | Appellations de Taxon | 18176 |
| [18177] Sellaphora bacillaroides | Appellations de Taxon | 18177 |
| [18178] Staurosirella confusa | Appellations de Taxon | 18178 |
| [18179] Surirella biseriata var. constricta | Appellations de Taxon | 18179 |
| [1818] Utricularia | Appellations de Taxon | 1818 |
| [18180] Surirella bidentula | Appellations de Taxon | 18180 |