prickly lettuce plant lactuca serriola torn also called compass plant

also asteraceae asterales background botany bud called closeup compass flora foliage garden green grow growing growth herb herbal invasive lactuca leaf lettuce macro meadow meadowsweet medicinal milk natural outdoor plant prickly savagely scarole serriola spike spiky spines spiny stem sunlight thistle thorn torn treatment uncultivated virosa weed wild young