This name is a synonym of Thuidium delicatulum (Hedw.) Schimp..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35105834) with original publication details: Mém. Soc. Sci. Nat. Cherbourg 16: 236 1872.
This name was in version 1 of The Plant List, record tro-35105834.