Dr Willmar Schwabe India Ambrosia Artemisiaefolia Dilution is made from Ambrosia absinthifolia herb and is popularly known as roman wormwood or ragweed. It has cytotoxic compounds and the pollen grains from its greenish white flower contain sterols, ambrosic acid, hydrocarbons and triterpenoids. It is useful in the treatment of allergic rhinitis, mucous membrane swelling in nose and hay fever and many other ailments.