rwgabbro1: Just Saying Hello: Arborescent Saguaro Cacti (Carnegiea gigantea), Organ Pipe Cactus National Monument, Arizona, USA
rwgabbro1: Joshua Tree (Yucca brevifolia) , Desert Botanical Garden, Phoenix, Arizona, USA
rwgabbro1: A Vibrant Sonoran Desert Plant Community, Organ Pipe Cactus National Monument, Arizona, USA
rwgabbro1: Urban Street Trees, Part 2: California Fan Palms (Washingtonia filifera), Scottsdale, Arizona, USA
rwgabbro1: Essay in the Absurd, Part 1: A Boojum Tree (Fouquieria columnaris) in the Desert Botanical Garden, Phoenix, Arizona, USA
rwgabbro1: Essay in the Absurd, Part 2: Another Boojum Tree (Fouquieria columnaris) in the Desert Botanical Garden, Phoenix, Arizona, USA
rwgabbro1: One of the Most Remarkable Boundaries on Earth: Geology of the Mogollon Rim at Promontory Butte, Arizona, USA
rwgabbro1: Urban Street Trees, Part 5: Mexican Fan Palm (Washingtonia robusta), Scottsdale, Arizona, USA
rwgabbro1: Urban Street Trees, Part 7: A Date Palm (Phoenix dactylifera), Scottsdale, Arizona, USA
rwgabbro1: Urban Street Trees, Part 8: A Second Look at Date Palms (Phoenix dactylifera), Scottsdale, Arizona, USA
rwgabbro1: Urban Street Trees, Part 10: A Blue Hesper Palm (Brahea armata), Old Town Scottsdale Neighborhood, Scottsdale, Arizona, USA
rwgabbro1: Urban Street Trees, Part 11: A European Fan Palm (Chamaerops humilis), Old Town Scottsdale Neighborhood, Scottsdale, Arizona, USA
rwgabbro1: Urban Street Trees, Part 14: A Queen Palm (Syagrus romanzoffiana), Scottsdale, Arizona, USA