Gymnocalycium horstii var. buenekeri Buining in Kakteen And. Sukk. 21: 162–165. 1970 Gymnocalycium horstii var. buenekeri Buining in Kakteen And. Sukk. 21: 162–165. 1970Taxon for this nameGymnocalycium horstii var. buenekeri Buining
