A rare species of tree cactus has gone extinct in Florida, in what is believed to be the first species lost to sea level rise in the United States, researchers said Tuesday. The Key Largo tree ...

Low-lying coastal areas like the Florida Keys ... cactus (Pilosocereus millspaughii)—a tube-like cactus plant that can grow up to 20 feet tall. While this species can be found in parts of ...