Iris pseudacorus
In 2014, eight Irises from the Limniris section ("Iris crocea", "Iris ensata", "Iris orientalis", "Iris pseudacorus", "Iris setosa", "Iris sibirica" with its cultivars ´Supernatural´ and ´Whiskey White´, "Iris spuria" and "Iris versicolor") were studied to find 12 chemical compounds (flavonoids, phenols, quinones, tannins, saponins, cardiac glycosides, terpenoids, alkaloids, steroids, glycosides and proteins).