This name is a synonym of Orthotrichum lyellii Hook. & Taylor.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35174046) with original publication details: Bull. Herb. Boissier 5: 850 1897.
This name was in version 1 of The Plant List, record tro-35174046.