Nigel Cattlin / Fat-hen (Chenopodium album) seedling with cotyledons and four true leaves, annual arable weed.

Nigel Cattlin / Fat hen (Chenopodium album) growing as weed, about to flower. Berkshire, England, UK. July .

Will Watson / Quinoa (Chenopodium quinoa) growing in a game bird cover crop, Herefordshire Plateau, England, September.

Rhonda Klevansky / Quinoa (Chenopodium) plant growing in Bolivian altiplano, Bolivia. February 2009.

Nature Production / Goosefoot (Chenopodium album var. centrorubrum) young leaves on white background, Japan

Daniel Heuclin / Quechua woman harvesting quinoa, (Chenopodium quinoa) Bolivia, South America 2008

Doug Wechsler / Quinoa (Chenopodium quinoa) seeds, a species of goosefoot originally cultivated in the Andes used much like grain, USA

Dave Bevan / Good king henry (Chenopodium bonus-henricus) recolonising sea defence, Wales, UK

Philippe Clement / Fat hen plant {Chenopodium album} Belgium

Jose B. Ruiz / Fat-hen {Chenopodium album} plant Spain

Nigel Cattlin / Cowbane (Cicuta virosa) white poisonous flowering plants beside the Kennet and Avon Canal, Berkshire, June Berkshire, England, UK.

Nigel Cattlin / Fat-hen / lamb's quarters (Chenopodium album) young plants of annual arable and garden weed, May Berkshire, England, UK.