Gymnocalycium mostii (Gürke) Britton & Rose in Addisonia 3: 5. 1918 Gymnocalycium mostii (Gürke) Britton & Rose in Addisonia 3: 5. 1918is new combination for Echinocactus mostii Gürke in Monatsschr. Kakteenk. 16: 11. 1906Taxon for this nameGymnocalycium mostii (Gürke) Britton & Rose in Addisonia 3: 5. 1918