Echinocactus aurantiacus Vaupel in Bot. Jahrb. Syst. 50(2-3, Beibl. 111): 23. 1913

is basionym for Matucana aurantiaca (Vaupel) Buxb. in Krainz, Kakteen 54: CVb. 1973

is basionym for Submatucana aurantiaca (Vaupel) Backeb., Cactaceae 2: 1061. 1959

is basionym for Borzicactus aurantiacus (Vaupel) Kimnach & Hutchison in Cact. Succ. J. (Los Angeles) 29: 47. 1957

is basionym for Arequipa aurantiaca (Vaupel) Werderm. in Kakteenkunde 1939: 77. 1939

Holotype: Peru, Cajamarca: “near San Pablo” [protologue, translated]; on rocks, alt. 2200 – 2400 m, 29 Apr 1904, A. Weberbauer 3846 (B, in spirit: B 810006865)

Taxon for this name

Echinocactus aurantiacus Vaupel in Bot. Jahrb. Syst. 50(2-3, Beibl. 111): 23. 1913