This name is a synonym of Amphilophium crucigerum (L.) L.G.Lohmann.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 317898) with original publication details: Repert. Spec. Nov. Regni Veg. 16: 209 1919.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:200861-2.
This name was in version 1 of The Plant List, record kew-317898.