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 35148701) with original publication details: Nuovo Giorn. Bot. Ital., n.s., 5: 202 1898.
This name was in version 1 of The Plant List, record tro-35148701.