⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Panicum nigrescens in version 1.1 of The Plant List.

Panicum nigrescens Salzm. ex Steud. is a synonym of Panicum laxum Sw.

This name is a synonym of Panicum laxum Sw..

The record derives from Tropicos which reports it as a synonym (record 25521934) with original publication details: Syn. Pl. Glumac. 1: 66 66 1854.