This name is a synonym of Equisetum trachyodon (A. Braun) W.D.J. Koch.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26611932) with original publication details: Flora 22(20): 308 1839.
This name was in version 1 of The Plant List, record tro-26611932.