⚠ Version 1 of The Plant List has been superseded.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 Catharinea undulata in version 1.1 of The Plant List.

Catharinea undulata var. rivularis Bryhn is a synonym of Atrichum undulatum var. rivulare (Bryhn) Paris

This name is a synonym of Atrichum undulatum var. rivulare (Bryhn) Paris.

The record derives from Tropicos which reports it as a synonym (record 35157107) with original publication details: Kongel. Norske Vidensk. Selsk. Skr. (Trondheim) 1899(3): 43 43 1899.