The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2835647, with some changes.

M Gymnocalycium horizonthalonium Fric ex Kreuz. is a synonym of Gymnocalycium spegazzinii Britton & Rose

This name is a synonym of Gymnocalycium spegazzinii Britton & Rose.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Möller's Deutsche Gärtn.-Zeitung 44: 254 1929.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:133344-1.