Kofa National Wildlife Refuge
Kofa Mountains, Quartzsite
If Arizona redesigned its flag today, the new version might feature a palm tree instead of a star. For residents of Phoenix and Tucson, the tall, leafy trees known as Washington fan palms (Washingtonia robusta) are as much a part of desert life as cactuses and coyotes. Which is ironic, since those palms are transplants from Mexico.