⚠ Version 1 of The Plant List has been superseded.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 Trichostomum involutum in version 1.1 of The Plant List.
This name is a synonym of Trichostomum hattorianum .
The record derives from Tropicos which reports it as a synonym (record 35125914
) with original publication details: Akad. Wiss. Wien Sitzungsber., Math.-Naturwiss. Kl., Abt. 1, 1, 131: 210 210 1923.