⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35173366, and has not been changed.

Orthotrichum drummondii Hook. & Grev. is a synonym of Weissia drummondii (Hook. & Grev.) Lindb.

This name is a synonym of Weissia drummondii (Hook. & Grev.) Lindb..

The record derives from Tropicos which reports it as a synonym (record 35173366) with original publication details: Scott. Crypt. Fl. 2: 115 115 1824.