The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35141677, with some changes.

M Polytrichum nigrescens Lam. & DC. is a synonym of Pogonatum urnigerum var. nigrescens (Lam. & DC.) Brid.

This name is a synonym of Pogonatum urnigerum var. nigrescens (Lam. & DC.) Brid..

The record derives from Tropicos which reports it as a synonym (record 35141677) with original publication details: Fl. Franç. (ed. 3) 2: 490 490 1805.