Photographs of the Signal Hill Trail, Saguaro National Park

Arizona > Saguaro National Park > Hiking > Signal Hill Trail > Photographs

Opuntia

Opuntia engelmannii, with reddish fruits

License/purchase this photograph; credit Nathanael Hill

Keywords: Saguaro National Park, the Signal Hill Trail, Arizona, Sonoran Desert, cacti, Engelmann prickly pear, deserts

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