⚠ Version 1 of The Plant List has been superseded.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 Rhytidium rugosum in version 1.1 of The Plant List.

Rhytidium rugosum var. boreale (Lange) G. Roth is a synonym of Hylocomium rugosum var. boreale (Lange) Cardot & Thér.

This name is a synonym of Hylocomium rugosum var. boreale (Lange) Cardot & Thér..

The record derives from Tropicos which reports it as a synonym (record 35149004) with original publication details: Eur. Laubm. 2: 467 467 1904.