Opuntia macrorhiza var. greenii (J.M.Coult.) Bulot in Succulentes (France). 2002 Opuntia macrorhiza var. greenii (J.M.Coult.) Bulot in Succulentes (France). 2002is new combination for Opuntia mesacantha var. greenii J.M.Coult. in Contr. U.S. Natl. Herb. 3: 431. 1896Taxon for this nameOpuntia macrorhiza var. greenii (J.M.Coult.) Bulot