This name is a synonym of Nicotiana glauca Graham.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29604873) with original publication details: Monogr. Nicotiana 27 1899.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:169782-2.
This name was in version 1 of The Plant List, record tro-29604873.