Matucana yanganucensis var. salmonea Rauh & Backeb., Descr. Cact. Nov. 1: 18. 1957 ["1956"] Matucana yanganucensis var. salmonea Rauh & Backeb., Descr. Cact. Nov. 1: 18. 1957 ["1956"]Taxon for this nameMatucana yanganucensis var. salmonea Rauh & Backeb.