Prep: Fruits Zeylemaker from the nursery at Fullerton on February 27, 1980. [There is an annotation label that is scribbled out. Text reads as follows:] cf. Opuntia phaeacantha Engelm. w/ intregressing O. polycantha var. nicholii; Det. Donald J. Pinkava 2008; Arizona State University Herbarium. Sheet 1 of 2. Other sheet is RSA0123946.