Flagstaff City Hall offices at will be closed on Monday, Nov. 11, in observance of Veterans Day. City Hall will reopen on Nov. 12.

Denver strikes a unique balance between being a vibrant city and a gateway to some of the country’s most awe-inspiring ...

Studio Gang has revealed its latest project, a 13-story, mixed-use tower slated to rise on a triangular lot in downtown Denver. Once complete, Populus, the firm’s first project in Colorado, will ...

When the leaves of quaking aspens (Populus tremuloides) turn yellow in the fall, a slight breeze can turn a stand of trees into quivering gold. Quaking aspens "quake" because of the way the leaves ...

Named Pando, the tree is a quaking aspen (Populus tremuloides) with around 47,000 stems connected by a root system that sprawls about 43 hectares in Utah’s Fishlake National Forest.

1. Populus tremuloides and P. grandidentata produce seeds in great abundance in central and eastern United States. The former seeds mature approximately three days earlier than the latter. From six to ...

Stands were 33–178 years old, with canopies of Populus tremuloides (trembling aspen) and Picea spp. (spruce) in varying proportions. Arctostaphylos uva-ursi, Calamagrostis purpurascens, Chamerion ...