The ecology of the Sierra Nevada, located in the U.S. states of California and Nevada, is diverse and complex. The combination of climate, topography, moisture, and soils influences the distribution o
Subalpine forest at the base of Temple Crag
Forest in the foothills of the Sierra Nevada
Yosemite Valley is in the Lower Montane Forest.
Giant sequoia tree, Mariposa Grove, Yosemite National Park
The Klamath Mountains ecoregion of Oregon and California lies inland and north of the Coast Range ecoregion, extending from the Umpqua River in the north to the Sacramento Valley in the south. It enco
Bear Mountain in the Siskiyou Wilderness of California
Waldo rockcress is an uncommon endemic member of the serpentine soils flora of the Serpentine Siskiyous.
Preston Peak, Siskiyou Wilderness