Spruce refers to trees of the genus Picea. They're found in the northern temperate and boreal (taiga) regions of North America. Spruces can be distinguished from firs by their down-hanging cones ...

But Dial is finding young white spruce growing from seeds that must have traveled 5 to 7 miles—and over mountains, no less. The population isn’t so much moving north as it is leaping.

Our field study focuses on 700 white spruce trees spread along 1,500 miles of mountains between Canada and the Chukchi Sea. Russell, Colin, and I have each been to nearly all 700 trees to set up ...

As the Arctic rapidly warms, sea ice levels are declining, leading to more evaporation from the open ocean and more snow throughout much of northwestern Alaska. The team could quantify the white ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the White Spruce. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

While forests elsewhere are thinning from wildfires, insect damage and droughts partially attributed to global warming, some white spruce trees in the far north of Alaska have grown more ...

In Interior Alaska, where white spruce has long been one of the dominant forest species, the trees are struggling, with "markedly lower growth" than at any time since the 19th century, the study ...

It was a tree disease known as spruce needle rust, which infects only the current year’s needles of white, black and Sitka spruce trees. [River Piracy strikes the Yukon] The orange powder is ...