⚠ Version 1 of The Plant List has been superseded.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 Sisymbrium richardsii in version 1.1 of The Plant List.

Sisymbrium richardsii (F. Mull.) F. Mull. is a synonym of Phlegmatospermum richardsii (F. Mull.) E.A. Shaw

This name is a synonym of Phlegmatospermum richardsii (F. Mull.) E.A. Shaw.

The record derives from Tropicos which reports it as a synonym (record 100358618) with original publication details: Syst. Bot. Resources Amer. 1: 5 5 1882.