⚠ Version 1 of The Plant List has been superseded.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 Sida angustifolia in version 1.1 of The Plant List.
This name is a synonym of Sida spinosa .
The record derives from Tropicos which reports it as a synonym (record 50201206
) with original publication details: Reliq. Haenk. 2: 109 109 1835.