Hoary alyssum, an invasive species from the mustard family, unfortunately its toxic to horses, and can be hard to manage, it can be useful in certain certain circumstances, like its a hardy cover for poor, dry or gravely soil, and is a good pollinator for bees and butterflies. It dosnt have any herble uses, historically it was used to treat rabies (unsuccessfully of course) and was sometimes used for mild discomforts like coughs but was probably just a placebo and dosnt work. Its also known as madwort or heal-bite in some places, its found all over Eurasia and Europe and is invasive to north America.
















