According to the A. W. Kuchler U.S. Potential natural vegetation Types, Olympic National Park encompasses five classifications: Alpine Meadows & Barren, aka Alpine tundra ("52") potential vegetation type with an Alpine Meadow ("11") potential vegetation form; a Fir/Hemlock ("4") vegetation type with a Pacific Northwest conifer forest ("1") vegetation form; a cedar/hemlock/Douglas fir vegetation type with a Pacific Northwest conifer forest ("1") vegetation form; Western spruce/fir vegetation type ("15") with a Rocky Mountain conifer forest ("3") vegetation form; and a spruce/cedar/hemlock ("1") vegetation type with a Pacific Northwest conifer forest ("1") vegetation form.