| [19679] Schoenoplectus carinatus | Appellations de Taxon | 19679 |
| [1968] Trapa natans | Appellations de Taxon | 1968 |
| [19680] Schoenoplectus pungens | Appellations de Taxon | 19680 |
| [19681] Schoenoplectus | Appellations de Taxon | 19681 |
| [19682] Schoenoplectus supinus | Appellations de Taxon | 19682 |
| [19683] Schoenoplectus x carinatus | Appellations de Taxon | 19683 |
| [19684] Schoenus nigricans | Appellations de Taxon | 19684 |
| [19685] Scirpoides holoschoenus | Appellations de Taxon | 19685 |
| [19686] Scolochloa festucacea | Appellations de Taxon | 19686 |
| [19689] Senecio sarracenicus | Appellations de Taxon | 19689 |
| [1969] Umbelliferae | Appellations de Taxon | 1969 |
| [19690] Shinnersia rivularis | Appellations de Taxon | 19690 |
| [19691] Sibthorpia europaea | Appellations de Taxon | 19691 |
| [19692] Sparganium angustifolium x emersum | Appellations de Taxon | 19692 |
| [19694] Sparganium emersum f. brevifolium | Appellations de Taxon | 19694 |
| [19695] Sparganium emersum f. longissimum | Appellations de Taxon | 19695 |
| [19696] Sparganium erectum subsp. erectum | Appellations de Taxon | 19696 |
| [19697] Sparganium erectum subsp. microcarpum | Appellations de Taxon | 19697 |
| [19698] Sparganium erectum subsp. neglectum | Appellations de Taxon | 19698 |
| [19699] Sparganium erectum subsp. oocarpum | Appellations de Taxon | 19699 |
| [197] Orthotrichia | Appellations de Taxon | 197 |
| [1970] Angelica | Appellations de Taxon | 1970 |
| [19700] Sparganium glomeratum | Appellations de Taxon | 19700 |
| [19701] Sparganium gramineum | Appellations de Taxon | 19701 |
| [19702] Sparganium hyperboreum | Appellations de Taxon | 19702 |
| [19703] Sparganium natans | Appellations de Taxon | 19703 |
| [19704] Sphaerotilus natans | Appellations de Taxon | 19704 |
| [19705] Sphagnum angustifolium | Appellations de Taxon | 19705 |
| [19706] Sphagnum capillifolium | Appellations de Taxon | 19706 |
| [19707] Sphagnum fallax | Appellations de Taxon | 19707 |
| [19708] Sphagnum fimbriatum | Appellations de Taxon | 19708 |
| [19709] Sphagnum flexuosum | Appellations de Taxon | 19709 |
| [1971] Angelica sylvestris | Appellations de Taxon | 1971 |
| [19710] Sphagnum papillosum var. laeve | Appellations de Taxon | 19710 |
| [19711] Sphagnum subsecundum | Appellations de Taxon | 19711 |
| [19712] Stachys sylvatica | Appellations de Taxon | 19712 |
| [19713] Stellaria nemorum | Appellations de Taxon | 19713 |
| [19714] Stellaria palustris | Appellations de Taxon | 19714 |
| [19715] Stigonema | Appellations de Taxon | 19715 |
| [19716] Subularia aquatica | Appellations de Taxon | 19716 |
| [19717] Thalictrum flavum | Appellations de Taxon | 19717 |
| [19719] Tortula subulata | Appellations de Taxon | 19719 |
| [1972] Apium | Appellations de Taxon | 1972 |
| [19720] Trichophorum cespitosum | Appellations de Taxon | 19720 |
| [19721] Trifolium fragiferum | Appellations de Taxon | 19721 |
| [19722] Trollius europaeus | Appellations de Taxon | 19722 |
| [19723] Typha domingensis | Appellations de Taxon | 19723 |
| [19724] Typha shuttleworthii | Appellations de Taxon | 19724 |
| [19725] Ulva | Appellations de Taxon | 19725 |
| [19726] Utricularia australis | Appellations de Taxon | 19726 |