⚠ Version 1 of The Plant List has been superseded.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 Mnium giganteum in version 1.1 of The Plant List.
This name is a synonym of Plagiomnium japonicum .
The record derives from Tropicos which reports it as a synonym (record 35170479
) with original publication details: Bot. Mag. (Tokyo) 63: 81. 3 81 1950.