⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35119945, with some changes.
This name is a synonym of Polytrichum urnigerum var. tetragonum .
The record derives from Tropicos which reports it as a synonym (record 35119945
) with original publication details: Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1873--74: 260 (Gen. Sp. Musc. 1: 722) 260 1875.