This name is a synonym of Salvinia adnata Desv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26604303) with original publication details: Brit. Fern Gaz. 10(5): 251–252 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17453700-1.
This name was in version 1 of The Plant List, record tro-26604303, and has not been changed.