Buttercup, Meadow buttercup, Ranunculus acris, Single yellow flower growing outdoor amid green foliage.

Primrose, Candelabraprimula, Primula bulleyana, Peach coloured flowers growing outdoor.

Water lily, White water lily,Nymphaea alba, Single flower growing outdoor on water.

Water lily, White water lily,Nymphaea alba, Single flower growing outdoor on water.

Water lily, White water lily,Nymphaea alba, Single flower growing outdoor on water.

Campion, Red campion, Silene dioica, Pink coloured flowers growing outdoor.

Iris, Yellow flower seen through green foliage growing outdoor.

Hydrangea, Mauve coloured flowerhead growing outdoor.

Sunflower 'Italian White', Helianthus annuus 'Italian White', Two yellow flowers growing outdoor.

Sunflower, Common sunflower, Helianthus annuus, Close up detail of yellow coloured flower growing outdoor.

Carrot, Wild carrot, Daucus carota, Pink coloured flowerhead growing outdoor.

Orchid, Lady's slipper orchid, Cypripedium 'Parville', Yellow coloured flower growing outdoor.

Boston ivy, Parthenocissus tricuspidata, Close-up detail of red autumn leaves.

Boston ivy, Parthenocissus tricuspidata, Close-up detail of green leaves turning red and yellow in autumn.

Boston ivy, Parthenocissus tricuspidata, growing across a bricked up window on a New York apartment block.

Boston ivy, Parthenocissus tricuspidata growing across a dilapidated window and air conditioning unit on a New York apartment block.

Boston ivy, Parthenocissus tricuspidata.

Boston Ivy, Parthenocissus tricuspidata.

Boston Ivy, Parthenocissus tricuspidata.