[Prickly Pear: The Genus Opuntia in the Southwestern Deserts of the United States]

What appears to be pancake cactus at Sitgreaves Pass on old Highway 66 in Arizona........February 22, 2013.

What appears to be pancake cactus as seen along the Hiline Trail between Sedona, AZ and the Village of Oak Creek, AZ........March 20, 2015.

Pancake cactus as seen about one mile up Hornblend Canyon off the north side of San Diego County Route S-2 on the opposite side of the road from Box Canyon, Anza-Borrego Desert State Park..........March 26, 2011.