| Regno | Plantae |
| Sottoregno | Tracheobionta |
| Superdivisione | Spermatophyta |
| Divisione | Magnoliophyta |
| Classe | Liliopsida |
| Ordine | Poales |
One of the most diverse monocot orders, comprising grasses, sedges, bromeliads and cattails. The Bromeliaceae belong here and are prized as houseplants for their colourful foliage and flowers.