⚠ Version 1 of The Plant List has been superseded.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 Polytrichum nigrescens in version 1.1 of The Plant List.

Polytrichum nigrescens (Warnst.) Mikut. is a synonym of Polytrichum commune f. nigrescens (Warnst.) Albr. Rohn.

This name is a synonym of Polytrichum commune f. nigrescens (Warnst.) Albr. Rohn..

The record derives from Tropicos which reports it as a synonym (record 35141678) with original publication details: Bryoth. Balt. 115 115 1910.