Cactus rhodanthus var. sulphureospinus J.M.Coult. in Contr. U.S. Natl. Herb. 3: 107. 1894 Cactus rhodanthus var. sulphureospinus J.M.Coult. in Contr. U.S. Natl. Herb. 3: 107. 1894Taxon for this nameCactus rhodanthus var. sulphureospinus J.M.Coult.
