The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35144025, and has not been changed.

M Ptilium orthothecium Thér. is a synonym of Hypnum polypterum (Mitt.) Broth.

This name is a synonym of Hypnum polypterum (Mitt.) Broth..

The record derives from Tropicos which reports it as a synonym (record 35144025) with original publication details: Trav. Bryol. 2[14]: 21. 11 21 1944.