The shoots are pale buff-brown, glabrous in the east of the range, but often pubescent in the west, and with prominent pulvini. The crown is narrow – conical in young trees, becoming cylindrical in older trees. The bark is thin and scaly, flaking off in small circular plates 5 to 10 centimetres (2 to 4 in) across. The white spruce is a large evergreen conifer which normally grows to 15 to 30 metres (50 to 100 ft) tall, but can grow up to 40 m (130 ft) tall with a trunk diameter of up to 1 m (3 ft 3 in). It is also known as Canadian spruce, skunk spruce, cat spruce, Black Hills spruce, western white spruce, Alberta white spruce, and Porsild spruce. Picea glauca is native from central Alaska all through the east, across southern/central Canada to the Avalon Peninsula in Newfoundland, and south to Montana, Minnesota, Wisconsin, Michigan, Vermont, New Hampshire, New York and Maine there is also an isolated population in the Black Hills of South Dakota and Wyoming. Picea glauca, the white spruce, is a species of spruce native to the northern temperate and boreal forests in North America. Picea canadensis (Mill.) Britton, Sterns & Poggenb.
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