Careful examination of an aspen trunk reveals that it is slightly green in colour, and this indicates the presence of chlorophyll there. This enables the tree to absorb a small amount of the sun ...

and there between the buildings and the cars was a gorgeous aspen tree sticking out of a snowbank. What caught my eye was the bark- it was clearly green almost luminous against the swirling snow a ...

The ability of aspen to produce whole stands of "trees" vegetatively provides yet ... and mudslide tracks populated by young, light-green aspen clones re-colonizing those spaces with shoot ...

Inspired by the dark “eyes” of the aspen tree — scars left behind on the trunks after the trees drop lower limbs that aren’t getting enough sunlight — the distinctive window designs in ...