1. Plantae
  2. Tracheophyta
  3. Magnoliopsida
  4. Asparagales
  5. Iridaceae
  6. Iris
  7. Iris cristata

Iris cristata 'Alba'

Includes several forms with white flowers, possibly best treated as a cultivar-group.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Asparagales
family       Iridaceae
genus        Iris L.
species         Iris cristata Aiton