Zygnema
Zygnema
Biota | Plantae | Viridiplantae | Streptophyta | Charophyta | Zygnematophyceae | Zygnematophycidae | Zygnematales | Zygnemataceae | Zygnema
| Haeckel, 1866 | Cavalier-Smith, 1981 | John, Williamson & Guiry, 2011 | Cavalier-Smith | Round ex Guiry | Melkonian, Gontcharov & Marin, 2019 | Bessey, 1907 | Kützing, 1843 | C.Agardh, 1817