Klamath Mountains (ecoregion)
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 encompasses the highly dissected ridges, foothills, and valleys of the Klamath and Siskiyou Mountains. It corresponds to the Level III ecoregion designated by the Environmental Protection Agency and to the Klamath-Siskiyou forests ecoregion designated by the World Wide Fund for Nature.
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
Coast Range (EPA ecoregion)
The Coast Range ecoregion is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in the U.S. states of Washington, Oregon, and California. It stretches along the Pacific Coast from the tip of the Olympic Peninsula in the north to the San Francisco Bay in the south, including Grays Harbor, Willapa Bay, and the Long Beach Peninsula in Washington, the entire length of the Oregon Coast, and the Northern California Coast. Named for the Coast Range mountains, it encompasses the lower elevations of the Olympic Mountains, the Oregon Coast Range, the Californian North Coast Ranges, and surrounding lowlands.
From Ecola State Park, Oregon, a view of coastal uplands (foreground) and volcanic mountains (background)
Coast Douglas-fir, Oregon's state tree
Sitka spruce logged in the Oregon Coast Range
Port Orford cedar, endemic to the Southern Oregon Coastal Mountains