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

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

Maple, Acer rubrum, Single autumnal coloured leaf.

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

Sumac, Cutleaf Sumac, Rhus glabra 'Laciniata', in autumnal colours, Hoyt Arboretum, Portland, Oregon, USA.

Wildflowers and burned manzanita bush three years after wildfire, Mostly Ceonothus, snowbush, and Indian Paintbrush, Freemont National Forest, Oregon, USA.

Rose, single pink flower against granite, Inyo National Forest, California, USA.

Old walnut orchard with yellow legume ground cover. Near Colusa, California, USA.

Hawthorn, Common hawthorn, Crataegus monogyna, Studio shot of branch with white flowers.

Larch, Larix decidua, Cones growing on branch of tree with spiky leaves.

Larch, Larix decidua, Cones growing on branch of tree with spiky leaves.

Larch, Larix decidua, Cone growing on branch of tree with spiky leaves.