Canadian Zone

Canadian Zone: A biogeographical zone comprising the southern part of the great transcontinental coniferous forests of Canada, the northern parts of Maine, New Hampshire and Michigan, and a strip along the Pacific Coast extending south to Cape Mendocino and the greater part of the high mountains of the United States and Mexico. Easterly it covers the Green, Adirondack and Catskill Mountains and the higher mountains of Pennsylvania, West Virginia, Virginia, western North Carolina and eastern Tennessee; in the Rockies, extending continuously from British Columbia to western Wyoming and in the Cascades from British Columbia to southern Oregon with a narrow interruption along the Columbia River.