⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35173413, and has not been changed.
This name is a synonym of Orthotrichum cupulatum var. nudum (Dicks.) Lindb..
The record derives from Tropicos which reports it as a synonym (record 35173413) with original publication details: Bryol. Univ. 1: 783 783 1827.