Trichocereus knuthianus Backeb. in Succulenta (Netherlands) 3: 42. 1937

Trichocereus knuthianus Backeb. in Succulenta (Netherlands) 3: 42. 1937

Trichocereus knuthianus Backeb. in Succulenta (Netherlands) 3: 42. 1937

is basionym for Echinopsis knuthiana (Backeb.) H.Friedrich & G.D.Rowley in I.O.S. Bull. 3(3): 96. 1974

is basionym for Lobivia knuthiana (Backeb.) H.P.Kelsey & Dayton, Standard. Pl. Names, ed. 2: 73. 1942

Taxon for this name

Trichocereus knuthianus Backeb.