Opuntia mesacantha var. greenii J.M.Coult. in Contr. U.S. Natl. Herb. 3: 431. 1896
Opuntia mesacantha var. greenii in Contr. U.S. Natl. Herb. 3: 431. 1896
is basionym for Opuntia macrorhiza var. greenii in Succulentes (France). 2002
is basionym for Opuntia greenei in Smithsonian Misc. Collect. 50: 523. 1908