A new initiative aims to protect black ash trees, now considered endangered ... the more well-known invasive species present here in Canada,” said Vincent La Tassa, project lead at the ...

The aspen bracket fungus (Phellinus tremulae) is host-specific to aspen trees, causing heart rot in ... is found in much of Canada and the northern USA. In Utah, one stand of aspen has been ...

Admirers frequently note the striking white bark of quaking aspen. This bark lives and carries out photosynthesis, attributes that make it unique among North American trees and likely contribute ...

Native trees, such as oak, birch, aspen, rowan and wild cherry have been planted on land around Yorkshire Water's Cottingham pumping station. The Woodland Trust, project lead for the scheme near ...