The Saguaro Cactus - A Natural History

The saguaro, with its great size and characteristic shape—its arms stretching heavenward, its silhouette often resembling a human—has become the

Discover the Significance of the Saguaro - Phoenix Home & Garden

Saguaro cactuses are under threat because of climate change - Washington Post

Saguaro and other towering cacti have a scrambled history

Saguaro National Park - National Geographic

Saguaro cactus, historical artwork - Stock Image - C017/6906 - Science Photo Library

A Thorny Question · National Parks Conservation Association

Saguaro Cacti at Saguaro National Park (U.S. National Park Service)

Saguaro National Park Plants, Sunsets & Trails

How a Smithsonian Botanist Cracked the Cactus Code a Century Ago, Smithsonian Voices

Saguaro National Park is the Southwest's Best Kept Secret (Photos+Video)

Some Notes on Variability in Saguaro Cactus