Ernie Janes / Down Farm from the Ridgeway Long Distance Path at Ivinghoe Beacon, with Black bryony (Tamus communis) and Bramble (Rubus sp) growing round fence, both with berries. Buckinghamshire, UK, September

Juan Manuel Borrero / Rough Bindweed (Smilax aspera) fruit, Province of Tarragona Province, Spain, March

Adrian Davies / Black Bryony (Dioscorea communis) helical tendril attached to sprig. Surrey, England, May.

Nature Production / China Root (Smilax china) yellow-tinged leaves on white background, Japan, November

Paul Harcourt Davies / Common Smilax (Smilax aspera) close-up of cluster of red berries in autumn. Italy, Europe.

Albert Lleal / Rough Bindweed (Smilax aspera) fruit, Montserrat Natural Park, Spain

Inaki Relanzon / European sarsaparrilla / Common Mediterranean Smilax (Smilax aspera), Catalonia, Spain. March

Kim Taylor / Black bryony (Dioscorea communis) berries in an autumn hedgerow, Surrey, England

Kim Taylor / Black bryony (Dioscorea communis) berries in an autumn hedgerow, Surrey, England

Gary K. Smith / Black bryony (Dioscorea communis) berries on stems in winter, Norfolk, England, UK, December

Albert Lleal / Rough Bindweed (Smilax aspera) SEM close-up view of the tendril wrapped around a branch of the same species at 12x magnification

Jean E. Roche / Black Bryony (Dioscorea communis) berries, Poitou, France