| [1983] Hydrocotyle vulgaris | Appellations de Taxon | 1983 |
| [19830] Leersia aquatica | Appellations de Taxon | 19830 |
| [19831] Lejeunea | Appellations de Taxon | 19831 |
| [19832] Lemna aequinoctialis | Appellations de Taxon | 19832 |
| [19833] Lemna turionifera | Appellations de Taxon | 19833 |
| [19834] Leptomitus lacteus | Appellations de Taxon | 19834 |
| [19835] Leskea polycarpa | Appellations de Taxon | 19835 |
| [19836] Leucojum aestivum | Appellations de Taxon | 19836 |
| [19837] Lilaea scilloides | Appellations de Taxon | 19837 |
| [19838] Lilaeopsis attenuata | Appellations de Taxon | 19838 |
| [19839] Limosella aquatica | Appellations de Taxon | 19839 |
| [1984] Oenanthe | Appellations de Taxon | 1984 |
| [19840] Limosella australis | Appellations de Taxon | 19840 |
| [19841] Lindernia dubia | Appellations de Taxon | 19841 |
| [19843] Lobelia urens | Appellations de Taxon | 19843 |
| [19844] Lotus pedunculatus | Appellations de Taxon | 19844 |
| [19845] Ludwigia grandiflora | Appellations de Taxon | 19845 |
| [19846] Lupinus nootkatensis | Appellations de Taxon | 19846 |
| [19847] Lythrum hyssopifolia | Appellations de Taxon | 19847 |
| [19849] Lythrum portula subsp. portula | Appellations de Taxon | 19849 |
| [1985] Oenanthe aquatica | Appellations de Taxon | 1985 |
| [19850] Marchantia paleacea | Appellations de Taxon | 19850 |
| [19851] Marsilea aegyptiaca | Appellations de Taxon | 19851 |
| [19852] Marsilea azorica | Appellations de Taxon | 19852 |
| [19853] Marsilea strigosa | Appellations de Taxon | 19853 |
| [19854] Marsupella sphacelata | Appellations de Taxon | 19854 |
| [19855] Mentha arvensis | Appellations de Taxon | 19855 |
| [19856] Mentha longifolia | Appellations de Taxon | 19856 |
| [19858] Mentha x verticillata | Appellations de Taxon | 19858 |
| [19859] Mimulus guttatus x luteus | Appellations de Taxon | 19859 |
| [1986] Oenanthe crocata | Appellations de Taxon | 1986 |
| [19860] Mimulus moschatus | Appellations de Taxon | 19860 |
| [19861] Moehringia trinervia | Appellations de Taxon | 19861 |
| [19863] Monochoria korsakowii | Appellations de Taxon | 19863 |
| [19864] Montia fontana subsp. amporitana | Appellations de Taxon | 19864 |
| [19865] Montia fontana subsp. fontana | Appellations de Taxon | 19865 |
| [19867] Montia fontana subsp. variabilis | Appellations de Taxon | 19867 |
| [19868] Murdannia blumei | Appellations de Taxon | 19868 |
| [19869] Myosotis secunda | Appellations de Taxon | 19869 |
| [1987] Oenanthe fistulosa | Appellations de Taxon | 1987 |
| [19870] Myosotis stolonifera | Appellations de Taxon | 19870 |
| [19871] Myriophyllum aquaticum | Appellations de Taxon | 19871 |
| [19872] Myriophyllum exalbescens | Appellations de Taxon | 19872 |
| [19873] Myriophyllum heterophyllum | Appellations de Taxon | 19873 |
| [19874] Myriophyllum verrucosum | Appellations de Taxon | 19874 |
| [19875] Najas flexilis | Appellations de Taxon | 19875 |
| [19876] Najas gracillima | Appellations de Taxon | 19876 |
| [19877] Najas graminea | Appellations de Taxon | 19877 |
| [19878] Najas marina subsp. armata | Appellations de Taxon | 19878 |
| [19879] Najas marina subsp. intermedia | Appellations de Taxon | 19879 |