⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35179782, with some changes.

Trichostomum setosum Hook. f. & Wilson is a synonym of Ditrichum difficile (Duby) M. Fleisch.

This name is a synonym of Ditrichum difficile (Duby) M. Fleisch..

The record derives from Tropicos which reports it as a synonym (record 35179782) with original publication details: Fl. Nov.-Zel. 2: 73. 84 f. 6 73 1854.