This name is a synonym of Physcomitrella patens (Hedw.) Bruch & Schimp..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35135196) with original publication details: Flora 20: 285 1837.
This name was in version 1 of The Plant List, record tro-35135196.