The aspen stamp showcases the “quaking ... according to the USDA. The sweetgum leaf, star-shaped and vibrant in magenta, orange, and purple, represents a tree valued for its resin and reddish ...

The USPS often releases new designs for stamps, such as the fishing-themed images on last week's new set of Forever Stamps, or stamps that commemorate public holidays, or the advent of a new year.

Aspen leaves typically appear heart-shaped or nearly ... In the fall, sassafras trees are known for their spectacular yellow, orange, crimson, burgundy and purple colors. The mighty oak is an ...

Aspen form individual patches comprised of numerous stems, termed ramets, each with its own trunk, branches, leaves and a shared root system (Figure 2). All of these structures arose from a single ...