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

Iris unguicularis 'Alba'

And 'snow queen' Albinos with white flowers, possibly the same cultivar.

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