⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35200511, with some changes.

Grimmia apocarpa f. umbrosa J.E. Zetterst. is a synonym of Schistidium apocarpum (Hedw.) Bruch & Schimp.

This name is a synonym of Schistidium apocarpum (Hedw.) Bruch & Schimp..

The record derives from Tropicos which reports it as a synonym (record 35200511) with original publication details: Revis. Grimm. Scand. 53 53 1861.