As a cornfield weed 'Poison Murderess' was a dangerous contaminant of flour.

Grieve, Mrs M. (1931). A Modern Herbal, Penguin. Leyel, Mrs CF

In traditional herbal medicine: Historically, the seed has been used as a diuretic, expectorant and vermifuge. It has a folk history of use in the treatment of cancer and warts. The seed and leaves are poisonous, containing saponin-like substances.

Plants for a Future (2016) at www.plantsforafuture.org.uk http://www.pfaf.org/user/Plant.aspx?LatinName=Agrostemma+githago

Africa, Northern Africa, Algeria

Africa, Northern Africa, Libya

Africa, Northern Africa, Morocco

Africa, Northern Africa, Tunisia

Asia-Temperate, Western Asia, Afghanistan

Asia-Temperate, Western Asia, Iran

Europe, Southwestern Europe, Spain

Europe, Southeastern Europe, Yugoslavia

Europe, Southeastern Europe, Greece

Europe, Southeastern Europe, Italy

Europe, Southeastern Europe, Romania

Europe, Southwestern Europe, France

Europe, Southwestern Europe, Portugal

Europe, Eastern Europe, Belarus

Europe, Eastern Europe, Ukraine

Europe, Eastern Europe, Baltic States

Europe, Eastern Europe, Central European Russia

Europe, Southeastern Europe, Albania

Europe, Southeastern Europe, Bulgaria

Europe, Middle Europe, Czech Republic

Europe, Middle Europe, Belgium

Europe, Middle Europe, Hungary

Europe, Middle Europe, Netherlands

Europe, Middle Europe, Poland

Europe, Middle Europe, Switzerland

Asia-Temperate, Middle Asia, Turkmenistan

Europe, Northern Europe, Ireland

Europe, Northern Europe, Great Britain

Europe, Northern Europe, Sweden

Europe, Middle Europe, Austria

Europe, Middle Europe, Germany

Asia-Temperate, Western Asia, Iraq

Asia-Temperate, Western Asia, Lebanon-Syria

Asia-Temperate, Western Asia, Turkey

Asia-Temperate, Middle Asia, Kazakhstan

Asia-Temperate, Middle Asia, Kyrgyzstan

Asia-Temperate, Middle Asia, Tadzhikistan