| [13905] Gomphonema ibericum | Appellations de Taxon | 13905 |
| [13906] Gomphonema incognitum | Appellations de Taxon | 13906 |
| [13907] Gomphonema intricatum var. diminutum | Appellations de Taxon | 13907 |
| [13908] Gomphonema intricatum var. dichotomum f. semipura | Appellations de Taxon | 13908 |
| [13909] Gomphonema intricatum var. pulvinata | Appellations de Taxon | 13909 |
| [1391] Marsileaceae | Appellations de Taxon | 1391 |
| [13910] Gomphonema intricatum var. pusillum | Appellations de Taxon | 13910 |
| [13911] Gomphonema isabellae | Appellations de Taxon | 13911 |
| [13912] Gomphonema insigniforme | Appellations de Taxon | 13912 |
| [13914] Gomphonema interpositum | Appellations de Taxon | 13914 |
| [13915] Gomphonema inversum | Appellations de Taxon | 13915 |
| [13916] Gomphonema genkalii | Appellations de Taxon | 13916 |
| [13917] Gomphonema germainii | Appellations de Taxon | 13917 |
| [13918] Gomphonema geitleri | Appellations de Taxon | 13918 |
| [13919] Gomphonema gracile var. frickei | Appellations de Taxon | 13919 |
| [1392] Marsilea | Appellations de Taxon | 1392 |
| [13920] Gomphonema grovei var. hermanniana | Appellations de Taxon | 13920 |
| [13921] Gomphonema gibba | Appellations de Taxon | 13921 |
| [13922] Gomphonema gracile var. lanceolata | Appellations de Taxon | 13922 |
| [13923] Gomphonema graciloides | Appellations de Taxon | 13923 |
| [13924] Gomphonema gracile f. turris | Appellations de Taxon | 13924 |
| [13925] Gomphonema guaraniarum | Appellations de Taxon | 13925 |
| [13926] Gomphonema guettingeri | Appellations de Taxon | 13926 |
| [13927] Gomphoneis herculeana var. abundans | Appellations de Taxon | 13927 |
| [13928] Gomphonema haesitans | Appellations de Taxon | 13928 |
| [13929] Gyrosigma hippocampus | Appellations de Taxon | 13929 |
| [1393] Marsilea quadrifolia | Appellations de Taxon | 1393 |
| [13930] Gomphoneis herculeana var. loweii | Appellations de Taxon | 13930 |
| [13931] Gomphoneis herculeana var. robusta | Appellations de Taxon | 13931 |
| [13932] Gomphoneis herculeana var. rostrata | Appellations de Taxon | 13932 |
| [13933] Gomphoneis herculeana var. septiceps | Appellations de Taxon | 13933 |
| [13934] Gomphonema hatherlianum | Appellations de Taxon | 13934 |
| [13935] Gomphonema intricatum var. lunata | Appellations de Taxon | 13935 |
| [13936] Gomphonema intricatum var. minor | Appellations de Taxon | 13936 |
| [13937] Gomphonema inaequilongum | Appellations de Taxon | 13937 |
| [13938] Gomphonema innocens | Appellations de Taxon | 13938 |
| [13939] Geissleria ignota | Appellations de Taxon | 13939 |
| [1394] Pilularia | Appellations de Taxon | 1394 |
| [13940] Gomphonema insigne | Appellations de Taxon | 13940 |
| [13941] Gomphonema invidia | Appellations de Taxon | 13941 |
| [13942] Gomphonema intricatum var. vibrio f. subventricosa | Appellations de Taxon | 13942 |
| [13943] Gomphonema jadwigiae | Appellations de Taxon | 13943 |
| [13944] Gomphonema javanicum abnormal form | Appellations de Taxon | 13944 |
| [13945] Gomphonema javanicum | Appellations de Taxon | 13945 |
| [13946] Gomphonema kaweckana | Appellations de Taxon | 13946 |
| [13947] Gomphonema kaznakowi | Appellations de Taxon | 13947 |
| [13948] Gomphonema kobayasii | Appellations de Taxon | 13948 |
| [13949] Gomphonema lapponicum | Appellations de Taxon | 13949 |
| [1395] Pilularia globulifera | Appellations de Taxon | 1395 |
| [13950] Gomphonema latius | Appellations de Taxon | 13950 |