Parodia microsperma var. rigidissima F.H.Brandt in Kakteen Orch. Rundschau 1: 68. 1976 Parodia microsperma var. rigidissima F.H.Brandt in Kakteen Orch. Rundschau 1: 68. 1976Taxon for this nameParodia microsperma var. rigidissima F.H.Brandt
