This name is a synonym of Equisetum hyemale var. elatum (Engelm.) C.V. Morton.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26602956) with original publication details: Amer. J. Sci. Arts 46: 87 1844.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:92970-2.
This name was in version 1 of The Plant List, record tro-26602956, and has not been changed.