This name is a synonym of Brachythecium buchananii (Hook.) A. Jaeger.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35174097) with original publication details: Nat. Pflanzenfam. I(3): 1155 1909.
This name was in version 1 of The Plant List, record tro-35174097.