Opuntia macrorhiza Engelm. [ Opuntia tenuispina Engelm. & J.M. Bigelow]
      
no HD illustration available (m3)
12 720490 Opuntia macrorhiza Engelm. [80 720901 Opuntia tenuispina Engelm. & J.M. Bigelow] Cactaceae
N.L. Britton, J.N. Rose, Cact., vol. 1 : t. 23 (1919) [M.E. Eaton]