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 35139529) with original publication details: J. Proc. Linn. Soc., Bot., Suppl. 2: 133 1859.
This name was in version 1 of The Plant List, record tro-35139529.