Rose root, Rhodiola rosea, used in herbal medicine. Close up of single flower head, selective focus.

Rose root, Rhodiola rosea, used in herbal medicine. Close up of flower heads, selective focus.

Rose root, Rhodiola rosea, used in herbal medicine. Close up of single flower head, selective focus.

Rose root, Rhodiola rosea, used in herbal medicine. Close up of single flower head, selective focus.

Rose root, Rhodiola rosea, used in herbal medicine. Close up of flower heads, selective focus.

Oats, Avena fatua. Studio shot of ripened stem lying on rusty metal sheet.

Lemon. Studio shot from above of five lemons on tin or pewter plate on wooden board.

Blueberry, Vaccinium corymbosum Royal Blue 1. Looking down on Blueberries lying in ornate pewter plate.

Blackthorn, Prunus spinosa. Studio shot of three twigs of Blackthorn with sloe berries lying on rusty metal sheet.

Blackberry, Rubus fruticosus. Studio shot of yellow autumn leaf of Wild Blackberry or Bramble streaked brown and dark orange and placed on piece of rusty metal.

Blackberry, Rubus fruticosus. Studio shot of yellow autumn leaf of Wild Blackberry or Bramble mottled brown and dark orange at edges and placed on mottled, rusty metal.

Black poplar, Populus nigra. Studio shot of mottled brown autumn leaf lying on rough, yellow background.