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

Moss, Abundance of dense yellow mosses growing outdoor.

Moss, Abundance of dense yellow mosses growing outdoor.

Moss, Abundance of dense yellow mosses growing outdoor.

Moss, Abundance of dense yellow mosses growing outdoor.

Cook Strait Kowhai, Sophora molloyi, Panicles of dense yellow flowers dangling among tiny green leaves.

Sage, Salvia officinalis, Close up of mass of dense green leaves of the garden herb.

Beech, Fagus sylvatica, A dense hedge of leaves are turning from green to yellow and finally brown.

Oriental poppy, Papaver orientale 'Patty's Plum', pinky mauve flower close view overhead showing a dense ring of black stamen.

Leek, Allium ampeloprasum, Flower head of leek with small flowers of white tinged with pale purple and pink and clustered in a dense umbel.

Gayfeather, Liatris spicata.

Gayfeather, Liatris spicata.