⚠ Version 1 of The Plant List has been superseded.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 Oxystegus cylindricus in version 1.1 of The Plant List.
This name is a synonym of Trichostomum cylindricum var. norvegicum .
The record derives from Tropicos which reports it as a synonym (record 35174188
) with original publication details: Consp. Musc. Eur. 176 176 1854.