| [180] Isoptena | Appellations de Taxon | 180 |
| [1800] Teucrium | Appellations de Taxon | 1800 |
| [18000] Rhopalodia gibberula var. vanheurckii | Appellations de Taxon | 18000 |
| [18001] Rhabdonema crassum | Appellations de Taxon | 18001 |
| [18002] Rhopalodia hirundiniformis | Appellations de Taxon | 18002 |
| [18003] Rhoicosphenia linearis | Appellations de Taxon | 18003 |
| [18004] Rhaphoneis minutissima | Appellations de Taxon | 18004 |
| [18005] Pinnularia viridiformis var. viridiformis morphotype 2 | Appellations de Taxon | 18005 |
| [18006] Pinnularia vulturis | Appellations de Taxon | 18006 |
| [18007] Parlibellus weissflogii | Appellations de Taxon | 18007 |
| [18008] Pinnularia weningeri | Appellations de Taxon | 18008 |
| [18009] Pinnularia westii | Appellations de Taxon | 18009 |
| [1801] Teucrium scordium | Appellations de Taxon | 1801 |
| [18010] Placoneis witkowskii | Appellations de Taxon | 18010 |
| [18011] Pinnularia woodiana | Appellations de Taxon | 18011 |
| [18012] Pinnularia wydrzyckae | Appellations de Taxon | 18012 |
| [18013] Rhopalodia brebissonii | Appellations de Taxon | 18013 |
| [18014] Stauroneis anceps var. rhomboidalis f. linearis | Appellations de Taxon | 18014 |
| [18015] Stephanodiscus atmosphaerica | Appellations de Taxon | 18015 |
| [18016] Stauroneis acidoclinatopsis | Appellations de Taxon | 18016 |
| [18017] Stauroneis aueri | Appellations de Taxon | 18017 |
| [18018] Synedra acus var. varipunctata | Appellations de Taxon | 18018 |
| [18019] Staurosira aventralis | Appellations de Taxon | 18019 |
| [1802] Leguminosae | Appellations de Taxon | 1802 |
| [18020] Staurophora amphioxys | Appellations de Taxon | 18020 |
| [18021] Synedra baculus | Appellations de Taxon | 18021 |
| [18022] Stauroneis agrestiformis | Appellations de Taxon | 18022 |
| [18023] Stauroneis angustevittata | Appellations de Taxon | 18023 |
| [18024] Stauroneis alabamae | Appellations de Taxon | 18024 |
| [18025] Stauroneis anceps f. linearis | Appellations de Taxon | 18025 |
| [18026] Surirella alisowiana | Appellations de Taxon | 18026 |
| [18027] Spumorbis annulifer | Appellations de Taxon | 18027 |
| [18028] Surirella angusta var. sinuata | Appellations de Taxon | 18028 |
| [18029] Surirella angusta abnormal form | Appellations de Taxon | 18029 |
| [1803] Amorpha | Appellations de Taxon | 1803 |
| [18030] Staurophora anuschkae | Appellations de Taxon | 18030 |
| [18031] Surirella africani-orientalis | Appellations de Taxon | 18031 |
| [18032] Surirella armoricana | Appellations de Taxon | 18032 |
| [18033] Staurosira acutirostrata | Appellations de Taxon | 18033 |
| [18034] Seminavis arranensis | Appellations de Taxon | 18034 |
| [18035] Stauroneis arctorussica | Appellations de Taxon | 18035 |
| [18036] Pulchella schwabei | Appellations de Taxon | 18036 |
| [18037] Puncticulata versiformis | Appellations de Taxon | 18037 |
| [18038] Pinnularia vacua | Appellations de Taxon | 18038 |
| [18039] Pinnularia vaetterana | Appellations de Taxon | 18039 |
| [1804] Amorpha fruticosa | Appellations de Taxon | 1804 |
| [18040] Parlibellus valens | Appellations de Taxon | 18040 |
| [18041] Pinnularia vangariana | Appellations de Taxon | 18041 |
| [18042] Pinnularia variarea | Appellations de Taxon | 18042 |
| [18043] Plagiotropis vanheurckii | Appellations de Taxon | 18043 |