Cycas
Cycadales | Cycadaceae | Cycas
Cycas
Biota | Plantae | Viridiplantae | Streptophyta | Tracheophyta | Spermatophytina | Cycadopsida | Cycadidae | Cycadales | Cycadaceae | Cycas
| Haeckel, 1866 | Cavalier-Smith, 1981 | John, Williamson & Guiry, 2011 | Sinnott ex Cavalier-Smith, 1998 |  |  |  | Pax | Pers. ex Bercht. & J.Presl | L.