algues
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Zygnematophyceae | Taxon | 27 | 1.8 |
| Zygnematales | Taxon | 24 | 1.4 |
| Zygnemataceae | Taxon | 20 | 0.7 |
| Zooxanthelle | Taxon | 26 | 24.6 |
| Zonarieae | Taxon | 2 | 0.2 |
| Zonaria | Taxon | 4 | 0.2 |
| Yamadaia | Taxon | 4 | 0.0 |
| Xiphophoraceae | Taxon | 3 | 0.0 |
| Wrangeliaceae | Taxon | 8 | 0.2 |
| Womersleya | Taxon | 3 | 0.0 |
| Wittrockiellaceae | Taxon | 2 | 0.0 |
| Wildemania Miniata | Taxon | 3 | 0.0 |
| Wildemania Amplissima | Taxon | 3 | 0.2 |
| Wildemania | Taxon | 6 | 0.2 |
| Volvox Globator | Taxon | 9 | 0.4 |
| Volvox Carteri | Taxon | 8 | 0.9 |
| Volvox Aureus | Taxon | 8 | 1.1 |
| Volvox | Taxon | 46 | 12.8 |
| Volvocales | Taxon | 19 | 0.7 |
| Volvocaceae | Taxon | 17 | 1.0 |
| Vertebrata Lanosa | Taxon | 9 | 1.1 |
| Vertebrata | Taxon | 4 | 0.6 |
| Vaucheriales | Taxon | 6 | 0.0 |
| Vaucheriaceae | Taxon | 5 | 0.0 |
| Vaucheria Litorea | Taxon | 8 | 1.0 |
| Vaucheria Hamata (vaucher) de Candolle, 1805 | Taxon | 2 | 0.0 |
| Vaucheria | Taxon | 18 | 1.6 |
| Varech | Concept | 58 | 4.5 |
| Vanvoorstia Spectabilis | Taxon | 3 | 0.0 |
| Vanvoorstia Bennettiana | Taxon | 5 | 0.2 |
| Vanvoorstia | Taxon | 4 | 0.0 |
| Valoniaceae | Taxon | 10 | 0.3 |
| Valonia Ventricosa | Taxon | 26 | 4.3 |
| Valonia | Taxon | 8 | 1.2 |
| Vallacertaceae | Taxon | 2 | 0.0 |
| Urospora Penicilliformis | Taxon | 3 | 0.3 |
| Uronema | Taxon | 9 | 0.3 |
| Undaria | Taxon | 9 | 0.0 |
| Ulvophyceae | Taxon | 30 | 3.1 |
| Ulve | Taxon | 32 | 11.6 |
| Ulvales | Taxon | 21 | 2.1 |
| Ulvaceae | Taxon | 20 | 1.2 |
| Ulva Rigida | Taxon | 7 | 3.2 |
| Ulva Linza | Taxon | 8 | 0.5 |
| Ulva Lactuca | Taxon | 30 | 35.2 |
| Ulva Intestinalis | Taxon | 14 | 2.0 |
| Ulva Compressa | Taxon | 7 | 2.7 |
| Ulva Clathrata | Taxon | 6 | 0.4 |
| Ulva Armoricana | Taxon | 1 | 1.1 |
| Ulotrichales | Taxon | 13 | 0.3 |