Echinocactus fidaianus Backeb. in Kakteen-Freund 1: 104, 117. 1933

is basionym for Weingartia fidana (Backeb.) Werderm. in Kakteenkunde 1937: 21. 1937

is basionym for Spegazzinia fidana Backeb. in Blätt. Kakteenf. 1934(4): 4, genus 75, sp. 2. 1934

is basionym for Rebutia fidana (Backeb.) D.R.Hunt in Bradleya 5: 94. 1987

is basionym for Gymnocalycium fidaianum (Backeb.) Hutchison in Cact. Succ. J. (Los Angeles) 29: 11. 1957

is basionym for Sulcorebutia fidana (Backeb.) F.H.Brandt in Frankfurter Kakteenf. 3: 9. 1976

Lectotype (designated by Hjertson, M. 2005: 201): [icon] photograph of a flowering plant in Backeberg in Kakteen-Freund 1: 104. 1933

Taxon for this name

Echinocactus fidaianus Backeb. in Kakteen-Freund 1: 104, 117. 1933

1. Hjertson, M. 2005: – Cactaceae Systematics Initiatives 19