Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. In the foreground are lotus plants.

Guyana, Demerara-Mahaica Region, Georgetown, Silk Cotton or Kapok tree, Ceiba pentandra, in the Botanical Gardens. A large agave plant is flowering at left.

Polypore Fungi, Polyporaceae, Polypore growing on the bark of trees in the ancient woodland at Piddington, Oxfordshire.

Japanese maple, Sculpture and autumnal colours at Portland Japanese Garden, Oregon, USA.

Japanese Maple tree in autumnal colours, Portland Japanese Gardens, Oregon, USA.

Close up of autumnal colours and trunks of aspen trees, Inyo National forest, California, USA.

Japanese Maple tree in autumnal colours, Portland Japanese Gardens, Oregon, USA.

Tamarack or larch in autumnal color, North Cascades National Park, Washington, USA.

Gnarled exposed roots of Bristlecone Pine Tree, Ancient Bristlecone Pine Forest, Inyo county, California, USA.

Close view of sawn tree trunk showing the saw's marks and woodworm holes in the bark as it decays. Stem of bramble starting to grow over it.

Orange mycena, Mycena leaiana growing out of an angled tree trunk with moss.

Orange mycena, Mycena leaiana growing out of an angled tree trunk with moss.