⚠ Version 1 of The Plant List has been superseded.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 Brassica nigra in version 1.1 of The Plant List.
This name is a synonym of Hirschfeldia incana .
The record derives from Tropicos which reports it as a synonym (record 50297592
) with original publication details: Excurs.-Fl. Hessen, ed. 3 537 537 1888.