Opuntia megasperma var. mesophytica Lundh in Madroño 20: 254. 1970 Opuntia megasperma var. mesophytica Lundh in Madroño 20: 254. 1970Taxon for this nameOpuntia megasperma var. mesophytica Lundh in Madroño 20: 254. 1970
