The other species in the genus Veronica:

Veronica arvensis / Tachiinunofuguri
Veronica didyma var. lilacina / Inunofuguri
Veronica hederaefolia / Furasabasou
Veronica muratae / San'inkuwagata
Veronica muratae / San'inkuwagata(white)
Veronica ornata / Touteiran
Veronica persica / Ooinunofuguri
Veronica undulata / Kawajisha

Veronica undulata / Kawajisha