Field milk thistle
Description: Field milk thistle is a species of flowering plant in the daisy family Asteraceae. S. arvensis often occurs in annual crops in the northern parts of Europe and may cause substantial yield losses. Sonchus arvensis is native to Europe, where it is widespread across most of the continent.[5] It has also become naturalized in many other regions, and is considered an invasive noxious weed in some places.
Locations in Campus: Picture taken at Broadmead field.
Additional pictures: