This name is a synonym of Ophioglossum nudicaule L. f..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26602162) with original publication details: Mem. Torrey Bot. Club 19(2): 146 1938.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:174604-2.
This name was in version 1 of The Plant List, record tro-26602162.