Gymnocalycium joossensianum (Boed.) Britton & Rose, Cactaceae 3: 166. 1922
Gymnocalycium joossensianum, Cactaceae 3: 166. 1922
is new combination for Echinocactus joossensianus in Monatsschr. Kakteenk. 28: 40. 1918
Gymnocalycium joossensianum, Cactaceae 3: 166. 1922
Taxon for this name