Gypsophila paniculata 'Flore Pleno'

Flowers double, white.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Caryophyllaceae
genus        Gypsophila L.
species         Gypsophila paniculata L.