This name is a synonym of Osmunda regalis L..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50065524) with original publication details: van der Decken's Reis. 3: 59 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17446300-1.
This name was in version 1 of The Plant List, record tro-50065524.