Barilla refers to several species of salt-tolerant plants that, until the 19th century, were the primary source of soda ash and hence of sodium carbonate. The word "barilla" was also used directly to
Halogeton sativus is one of the plants from which barilla was made. The species was formerly classified as Salsola sativa. Engraving published 1813 (Adolphus Ypey).