This name is a synonym of Veronica hederifolia subsp. sibthorpioides (Debeaux ex Degen & Herv.) Walters.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Acad. Int. Géogr. Bot. 15: 116 1905.
This name was in version 1 of The Plant List, record kew-2462211.