⚠ Version 1 of The Plant List has been superseded.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 Hypnum scalare in version 1.1 of The Plant List.

Hypnum scalare Zenker & D. Dietr. is a synonym of Ptilium crista-castrensis (Hedw.) De Not.

This name is a synonym of Ptilium crista-castrensis (Hedw.) De Not..

The record derives from Tropicos which reports it as a synonym (record 35128558) with original publication details: Musci Thur. 2: 1, no. 26 1, no 1822.