⚠ Version 1 of The Plant List has been superseded.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 Echinocactus denudatus in version 1.1 of The Plant List.
This name is a synonym of Gymnocalycium paraguayense .
The record derives from Tropicos which reports it as a synonym (record
5104578) with original publication details: Handb. Kakteenkult. 190, f. 123 190 1907.