This name is a synonym of Huperzia filiformis (Sw.) Holub.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26616422) with original publication details: Atti Soc. Ital. Sci. Nat. 17: 248 1874.
This name was in version 1 of The Plant List, record tro-26616422.