| [15097] Navicula circumtexta | Appellations de Taxon | 15097 |
| [15098] Navicula clavata var. indica | Appellations de Taxon | 15098 |
| [15099] Navicula cinctaeformis | Appellations de Taxon | 15099 |
| [151] Perlodes dispar | Appellations de Taxon | 151 |
| [1510] Eriophorum angustifolium | Appellations de Taxon | 1510 |
| [15100] Navicula cluthensis f. rostrata | Appellations de Taxon | 15100 |
| [15101] Navicula cluthensis f. cluthensis | Appellations de Taxon | 15101 |
| [15102] Navicula chasmaensis | Appellations de Taxon | 15102 |
| [15103] Navicula carminata var. africana | Appellations de Taxon | 15103 |
| [15104] Navicula cari var. minuta | Appellations de Taxon | 15104 |
| [15105] Navicula clementis f. major | Appellations de Taxon | 15105 |
| [15106] Navicula carminata | Appellations de Taxon | 15106 |
| [15107] Navicula corymbosa | Appellations de Taxon | 15107 |
| [15108] Navicula cocconioides | Appellations de Taxon | 15108 |
| [15109] Navicula coei | Appellations de Taxon | 15109 |
| [1511] Eriophorum latifolium | Appellations de Taxon | 1511 |
| [15110] Navicula contenta f. gigantea | Appellations de Taxon | 15110 |
| [15111] Navicula contenta f. inflata | Appellations de Taxon | 15111 |
| [15112] Navicula coraliana | Appellations de Taxon | 15112 |
| [15113] Nitzschia compressa | Appellations de Taxon | 15113 |
| [15114] Navicula completa | Appellations de Taxon | 15114 |
| [15115] Navicymbula pusilla var. pusilla | Appellations de Taxon | 15115 |
| [15116] Navicula clementis var. quadristigmata | Appellations de Taxon | 15116 |
| [15117] Navicula contenta var. robusta | Appellations de Taxon | 15117 |
| [15118] Navicula crucifera | Appellations de Taxon | 15118 |
| [15119] Navicula cari var. rostrata | Appellations de Taxon | 15119 |
| [1512] Rhynchospora | Appellations de Taxon | 1512 |
| [15120] Nitzschia curvipunctata | Appellations de Taxon | 15120 |
| [15121] Navicula commutabilis | Appellations de Taxon | 15121 |
| [15122] Nitzschia commutatoides | Appellations de Taxon | 15122 |
| [15123] Nitzschia carnicobarica | Appellations de Taxon | 15123 |
| [15124] Nitzschia conformata | Appellations de Taxon | 15124 |
| [15125] Navicula canalis | Appellations de Taxon | 15125 |
| [15126] Navicula canariana | Appellations de Taxon | 15126 |
| [15127] Navicula cantonatii | Appellations de Taxon | 15127 |
| [15128] Navicula cornubiensis | Appellations de Taxon | 15128 |
| [15129] Navicula cocquytae | Appellations de Taxon | 15129 |
| [1513] Rhynchospora alba | Appellations de Taxon | 1513 |
| [15130] Nitzschia compacta | Appellations de Taxon | 15130 |
| [15131] Navicula compressicauda | Appellations de Taxon | 15131 |
| [15132] Navicula capitatoradiata abnormal form | Appellations de Taxon | 15132 |
| [15133] Navicula crepitacula | Appellations de Taxon | 15133 |
| [15134] Navicula contraria | Appellations de Taxon | 15134 |
| [15135] Navicula carissima | Appellations de Taxon | 15135 |
| [15136] Nitzschia curvilineata | Appellations de Taxon | 15136 |
| [15137] Navicula crassulexigua | Appellations de Taxon | 15137 |
| [15138] Navicula cremorne var. salinarum | Appellations de Taxon | 15138 |
| [15139] Navicula costei var. bacillaris | Appellations de Taxon | 15139 |
| [1514] Rhynchospora fusca | Appellations de Taxon | 1514 |
| [15140] Navicula cuspidata var. tibetica | Appellations de Taxon | 15140 |