Opuntia unguispina Backeb. in Blätt. Kakteenf. 1937(7): 7, genus 10, subg. V, sp. 7. 1937 Opuntia unguispina Backeb. in Blätt. Kakteenf. 1937(7): 7, genus 10, subg. V, sp. 7. 1937Taxon for this nameOpuntia unguispina Backeb.
