⚠ Version 1 of The Plant List has been superseded.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 rigidum in version 1.1 of The Plant List.
This name is a synonym of Trismegistia rigida .
The record derives from Tropicos which reports it as a synonym (record
35119311) with original publication details: Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 14(Suppl.): 731 731 1829.