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