This name is a synonym of Veronica cusickii var. allenii (Greenm.) J.F. Macbr. & Payson.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50119599) with original publication details: Bot. Gaz. 25(4): 263–264 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:264691-2.
This name was in version 1 of The Plant List, record tro-50119599.