Echinocactus pflanzii Vaupel species synonym

Gymnocalycium zegarrae subsp. riograndense (Cárdenas) H.Till & Amerh. subspecies synonym

Gymnocalycium pflanzii var. zegarrae (Cárdenas) Donald variety synonym

Gymnocalycium pflanzii f. izozogsii (Cárdenas) Donald, 1971 form synonym

Gymnocalycium pflanzii subsp. pflanzii subspecies accepted

Gymnocalycium marquezii Cárdenas species synonym

Gymnocalycium zegarrae var. riograndense (Cárdenas) H.Till & Amerh. variety synonym

Gymnocalycium zegarrae subsp. millaresii (Cárdenas) H.Till & W.Till subspecies synonym

Gymnocalycium schatzlianum Strigl & W.Till species synonym

Gymnocalycium riograndense Cárdenas species synonym

Gymnocalycium reductum var. schatzlianum (Strigl & W.Till) Papsch variety synonym

Gymnocalycium pflanzii subsp. zegarrae (Cárdenas) G.J.Charles subspecies accepted

Gymnocalycium pflanzii var. riograndense (Cárdenas) Donald variety synonym

Gymnocalycium pflanzii var. paraguayense H.Till & Amerh. variety synonym

Gymnocalycium pflanzii var. millaresii (Cárdenas) Donald variety synonym

Gymnocalycium pflanzii var. lagunillasense (Cárdenas) Donald variety synonym

Gymnocalycium pflanzii var. izozogsii (Cárdenas) Donald variety synonym

Gymnocalycium pflanzii subsp. dorisiae Amerh. subspecies synonym

Gymnocalycium pflanzii f. chuquisacanum (Cárdenas) Donald form synonym

Gymnocalycium pflanzii subsp. argentinense H.Till & W.Till subspecies accepted

Gymnocalycium pflanzii var. albipulpa F.Ritter variety synonym

Gymnocalycium millaresii Cárdenas species synonym

Gymnocalycium marquezii var. argentinense Backeb. variety synonym

Gymnocalycium lagunillasense Cárdenas species synonym

Gymnocalycium izozogsii Cárdenas species synonym

Gymnocalycium chuquisacanum Cárdenas species synonym

Gymnocalycium zegarrae Cárdenas species synonym

Echinocactus stenocarpus K.Schum. species synonym