⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Orthotrichum breve in version 1.1 of The Plant List.
This name is a synonym of Orthotrichum hortense .
The record derives from Tropicos which reports it as a synonym (record 35173207
) with original publication details: Trans. & Proc. New Zealand Inst. 27: 426 35 f. 3 426 35 f 1895.