Polymer Chemistry. Morphology. Polymer morphology is the overall form of polymer structure, including crystallinity, branching, molecular weight, cross-linking, and so on14. Small molecules usually have crystalline solids, which are highly-ordered 3-dimensional arrays of the molecules.
Further information: List of flora of the Mojave Desert and Flora of the Sierra Nevada alpine zone. Native wildflower blazing star (Mentzelia lindleyi) Gentiana algida in Sierra Nevada. California native plants are plants that existed in California prior to the arrival of European explorers and colonists in the late 18th century.
Cacti / Desert Succulents. The Mojave Desert is rich with cacti and succulent species, yet in Death Valley National Park they are scarce due to the extremes of heat, dryness and soil salinity. Even so, cactus grow from an elevation of 400 feet above sea level to the summits of the surrounding mountains.