This name is a synonym of Ophioglossum latifolium (Prantl) J.E. Burrows.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50287746) with original publication details: Jahrb. Königl. Bot. Gart. Berlin 3: 316 1884.
This name was in version 1 of The Plant List, record tro-50287746, and has not been changed.