
Biodiversity & Invasive Plants
Nature loves diversity. A walk through a healthy Central Arizonan riparian (streamside) corridor would reveal a rich forest composed of ash, walnut, boxelder maple, hackberry, three to four different species of willow, three different species of cottonwood, and numerous species of shrubs, graminoids (grasses and grass-like plants), forbs, and aquatic plants. Each of these plants