Bread wheat is more widely cultivated than any other crop, and world trade is of greater monetary value than all other cereals combined.
White ash is a rapidly growing timber tree native to eastern North America. Its shock-resistant timber is used for tool handles and baseball bats.
Red oak is a North American tree with spectacular reddish brown leaves in autumn.
The thick bark of the cork oak has been harvested for thousands of years, and was used to make Roman sandals.
Unrivalled king of the forest in Britain, English oak (pedunculate oak) is synonymous with strength, size and longevity.
The fast-growing sweet thorn, with its striking yellow pompom-like flowerheads, is perhaps the most well-used acacia in southern Africa.
A densely branching evergreen that can live for centuries, the common yew is often found in British churchyards.
Adonidia maturbongsii is a solitary palm recently discovered on Biak Island in Indonesia and considered to be Endangered.
One of Europe's largest native deciduous trees, European ash provides tough, elastic timber that is widely used for furniture and also used to make tennis racquets and cricket stumps.
Bald cypress is an iconic tree that epitomizes the southeastern USA for residents and visitors alike.