Saguaro cactus (Carnegiea gigantea) in Arizona, USA (IMAGE)

University of Arizona

Saguaro cactus (Carnegiea gigantea) in Arizona, USA — Caption

Saguaro cacti in the Sonoran Desert are experiencing reproductive failures and mortality due to severe drought. The effects are made worse by invasive grasses, which outcompete small plants and increase the frequency of fires.

Credit

Ronald Souder

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