As classified in WFO snapshot
March 2019
Warning: older classification
species
Gymnocalycium robustum
This species name was first published in in Cact. Succ. J. (Los Angeles) 74: 4. 2002.
At the time of this classification snapshot, this species name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0000712662.