Wildlife of Chile Nacional Cabo de Hornos." The country's flora is composed of "56 orders, 181 families, 837 genera, and about 4,295 species" with large numbers in terms of genera and species from the families Asteraceae, Poaceae, Fabaceae, and Solanaceae. The land is divided into latitudes sections which dictate the country's vegetation; the soil conditions of the lands and the climatic conditions are key factors in this respect. In the northern desert region (Atacama Desert, the driest place on Earth) which is the desert region of sand there is no precipitation at all but it still sustains not only vegetation but also fauna;
Mojave Desert Mojave Desert The Mojave Desert ( ) is an arid rain-shadow desert and the driest desert in North America. It is in the southwestern United States, primarily within southeastern California and southern Nevada, and it occupies . Very small areas also extend into Utah and Arizona. Its boundaries are generally noted by the presence of Joshua trees, which are native only to the Mojave Desert and are considered an indicator species, and it is believed to support an additional 1,750 to 2,000 species of plants. The central part of the desert is sparsely populated, while its peripheries support large communities