This name is a synonym of Botrychium minganense Vict..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26603068) with original publication details: Fl. Vermont (ed. 3) 1 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:35271-2.
This name was in version 1 of The Plant List, record tro-26603068, and has not been changed.