Strombocactus disciformis (DC.) Britton & Rose, Cactaceae 3: 106-107. 1922
Strombocactus disciformis, Cactaceae 3: 106-107. 1922
is new combination for Mammillaria disciformis in Mém. Mus. Hist. Nat. 17: 114. 1828
Strombocactus disciformis, Cactaceae 3: 106-107. 1922