Philippe Clement / Engelmann's prickly pear {Opuntia engelmannii} and Saguaro cactus {Carnegiea gigantea}, Organ Pipe Cactus National Monument, Arizona, USA
01182282
Philippe Clement / Engelmann's prickly pear {Opuntia engelmannii}, Organ Pipe Cactus National Monument, Arizona, USA May 2007
01182308
Philippe Clement / Staghorn cholla {Cylindropuntia / Opuntia versicolor}, Engelmann's prickly pear {Opuntia engelmannii} and other cacti species, Saguaro NP, Arizona, USA
00196608
Konrad Wothe / Engelmann Prickly Pear (Opuntia engelmannii) showing flower buds, Sonora Desert, North America