Viola odorata 'Fragrant White'

Free-flowering, compact. Flowers fragrant, white. ['House's White']

Probably the 1888 English cultivar 'Rawson's White' raised by the leading English violet grower the Vicar of Bromley.

This is the (presumably) incorrectly listed name in Australia.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Rosanae
order      Malpighiales
family       Violaceae
genus        Viola L.
species         Viola odorata L.