The southwest has desert plants, including yucca and cacti. Coiled baskets are particularly common, woven from sumac, yucca, willow, and basket rush. Joshua tree, yucca palm, tree yucca, and palm tree yucca. Yucca tree roots have saponin glycosides. Yucca brevifolia is a plant species belonging to the genus "Yucca". Vaidya was raised in Joshua Tree in Yucca Valley, California. Their economy was primarily agricultural, cultivating corn, pineapple, yucca, and other local foodstuffs. During this ritual, they drank Chicha made of yucca, minia, and yucca tamales. Baskets, cordage nets, and yucca fiber sandals have been found and dated to this period. Indians camped throughout the area as they collected acorns, yucca, and other food. Obama declared himself flatly opposed to building the Yucca Mountain nuclear waste repository in Nevada. Las Vegas, in Clark County, is southeast of Yucca Mountain. Then he samples a drink made from the yucca plant. The Yucca Mountain nuclear waste repository is southwest of Groom Lake. It was fired from an F-89J Scorpion fighter over Yucca Flats at the NNSS.