The prickly pear is one of the most easily identifiable cacti in the region, though telling one species from another can be a chore. The Engelmann prickly pear, with its segmented, flat pads, 3-inch ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
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