⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35114452, with some changes.
This name is a synonym of Brachythecium acuminatum var. cyrtophyllum (Kindb.) Redf. ex H.A. Crum.
The record derives from Tropicos which reports it as a synonym (record 35114452) with original publication details: Ottawa Naturalist 4: 63 63 1890.