This name is a synonym of Botrychium virginianum (L.) Sw..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26613482) with original publication details: Fl. Bor.-Amer. 2: 274 1803.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:30075594-2.
This name was in version 1 of The Plant List, record tro-26613482.