⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35132681, with some changes.

Ditrichum boreale (R.S. Williams) Grout is a synonym of Trichodon cylindricus var. oblongus (Lindb.) Podp.

This name is a synonym of Trichodon cylindricus var. oblongus (Lindb.) Podp..

The record derives from Tropicos which reports it as a synonym (record 35132681) with original publication details: Moss Fl. N. Amer. 1: 48 48 1936.