Opuntia megarrhiza Rose in Contr. U.S. Natl. Herb. 10: 126. 1906 Opuntia megarrhiza Rose in Contr. U.S. Natl. Herb. 10: 126. 1906Taxon for this nameOpuntia megarrhiza Rose in Contr. U.S. Natl. Herb. 10: 126. 1906
