This is the bioregion of tall trees. Many of the world’s largest examples of conifer species are found here in the Klamath region’s cool wet cathedral forests.

Vegetation

Trees in the Klamath bioregion include old-growth redwoods, white fir, Douglas fir, ponderosa pine, Sierra lodgepole pine, incense cedar, sugar pine, red pine, Jeffrey pine, mountain hemlock, knobcone pine, western red cedar, red alder, tanoak and Pacific madrone.

Rare plants: Humboldt Bay owl’s clover, Calistoga ceanothus, Baker’s navarretia, coast lily, swamp harebell, Tracy’s sanicle, Snow Mountain willowherb, pale yellow stonecrop, Scott Mountain phacelia, Klamath Mountain buckwheat, Oregon fireweed, dimorphic snapdragon, Colusa layia, and Stebbins’ lewisia.
Endangered plants: Sebastopol meadowfoam, Burke’s goldfields, marsh checkerbloom, McDonald’s rock cress, Adobe lily, Indian Valley brodiaea.

Climate

Wildlife

The wetlands of this bioregion provide habitat for native and migrating birds and waterfowl, including the endangered Aleutian Canada goose. Examples of other wildlife in the bioregion are osprey, western sandpiper, mule deer, mountain lion, and Karok Indian snail.

Rare species: Goshawk, black bear, Chinook salmon and Pacific fisher (a weasel-like mammal).

Threatened and endangered species: Oregon silverspot butterfly, lotis blue butterfly, Trinity bristle snail, red-legged frog, Siskiyou Mountains salamander, Marbled murrelet, Aleutian Canada geese, California clapper rail, Swainson’s hawk, American peregrine falcon, bank swallow, Northern spotted owl, willow flycatcher, bald eagle, Point Arena mountain beaver and wolverine.