CANE CHOLLA
OPUNTIA SPINOSIOR  CACTACEAE (CACTUS)

ALSO CALLED: WALKINGSICK CHOLLA AND HADGRIP CHOLLA

A FIELD GUIDE TO THE PLANTS OF ARIZONA  # 117  P. 166

PETERSON FIELD GUIDES SOUTHWESTERN AND TEXAS WILDFLOWERS PP. 136-137

THE CACTI OF ARIZONA  P. 41-42

70 COMMON CACTI OF THE SOUTHWEST  #5

http://www.ibiblio.org/herbmed/pictures/p10/pages/opuntia-spinosior.htm