Iris pseudacorus
In July 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.