| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Zoothamniidae | 2 | 16 | 0 |
| Zoothamnium Bory de St. Vincent 1826 | 0 | 16 | 0 |
| Zoothamnium arbuscula | 0 | 11 | 0 |
| Zygnema C. Agardh 1817 | 0 | 2 | 0 |
| Zygnemataceae | 8 | 41 | 0 |
| Zygnematales | 2 | 51 | 0 |
| Zygnemophyceae | 1 | 453 | 0 |
| Zygnematophycidae | 2 | 439 | 0 |
| Zygnematophycidae | 0 | 439 | 0 |
| Zygnemophyceae | 2 | 453 | 0 |
| Zygnemophycidae | 1 | 0 | 0 |
