Copiapoa megarhiza subsp. parvula Mächler & Helmut Walter in Kakteen And. Sukk. 56: 297. 2005
Copiapoa megarhiza subsp. parvula in Kakteen And. Sukk. 56: 297. 2005
Type: Chile, Atacama, prov. Copiapó, E of Caldera, Mar 2005, H.E. Walter & W. Mächler HW 391 (SGO)