Oregon-Ahorn
The upper portions of the Saratoga Creek watershed are vegetated with broadleaved upland forest, especially mixed evergreen forest, including Coast redwood ("Sequoia sempervirens") and Coast Douglas fir ("Pseudotsuga menziesii var. menziesii"), and chaparral. Common riparian tree species along the upper reaches of Saratoga Creek include White alder ("Alnus rhombifolia"), Big Leaf maple ("Acer macrophyllum"), and California bay ("Umbellularia californica"). Native riparian plant species occurring along the lower portions of Saratoga Creek (from Monroe Street to Lawrence Expressway) include arroyo willow, box elder, Fremont cottonwood, western sycamore, red willow, yellow willow, blue elderberry, coffeeberry, coyote brush, and mule fat. Nonnative weedy