Thelocactus bicolor var. commodus R.Haas in Kakteen And. Sukk. 39: 87. 1988 Thelocactus bicolor var. commodus R.Haas in Kakteen And. Sukk. 39: 87. 1988is basionym for Thelocactus bicolor subsp. commodus (R.Haas) Doweld in Sukkulenty 2(1): 30. 1999Taxon for this nameThelocactus bicolor var. commodus R.Haas