Lady's bedstraw (Galium verum) also yellow bedstraw is a herbaceous perennial plant of the family Rubiaceae. which is widespread across most of Europe, North Africa, and temperate Asia. In medieval Europe, the dried plants were used to stuff mattresses, (as the coumarin scent of the plants acts as a flea repellant. The flowers were also used to coagulate milk in cheese manufacture (which gives the plant its name, from the Greek word meaning "Milk" (Gala, γάλα) and, in Gloucestershire, to colour the cheese double Gloucester. The plant is also used to make red madder-like and yellow dyes. In Denmark, the plant (known locally as gul snerre) is traditionally used to infuse spirits, making the uniquely Danish drink bjæsk . Campo Imperatore, Abruzzo, Italy July 2021