Harrisia tortuosa var. uruguayensis Osten in Anales Mus. Hist. Nat. Montevideo, ser. 2, 5(1): 66. 1941
Harrisia tortuosa var. uruguayensis in Anales Mus. Hist. Nat. Montevideo, ser. 2, 5(1): 66. 1941
is basionym for Harrisia tortuosa subsp. uruguayensis in Cact.-Avent. Int. 97: 2. 2012 ["2013"]
is basionym for Eriocereus pomanensis var. uruguayensis, Cactaceae 4: 2095. 1960