Espostoa superba F.Ritter in Kakteen And. Sukk. 6: 85–86. 1960 Espostoa superba F.Ritter in Kakteen And. Sukk. 6: 85–86. 1960Taxon for this nameEspostoa superba F.Ritter in Kakteen And. Sukk. 6: 85–86. 1960