The richness of the Sierran flora mirrors that of the state as a whole--of the nearly 6,000 species of vascular plants known to occur in California, over 20% of them can be found within Sequoia and Kings Canyon National Parks. Graphic representation of Sierra Nevada vegetation zones from the oak woodlands and chaparral shrubland in the low-elevation foothills, to mid-elevation montane forests, subalpine forests that extend to the upper limit of tree growth, and the alpine zone that includes perennial herbs and shrubs. Illustration by Justin Hofman and Meryl Goldin Rose.