ArctiumImages (7)Videos (4)465079Great burdock (Arctium lappa) with hoar frost450073Lesser burdock (Arctium minus)511038Downy burdock (Arctium tomentosum)511037Downy burdock (Arctium tomentosum)511036Downy burdock (Arctium tomentosum)511035Downy burdock (Arctium tomentosum)511034Downy burdock (Arctium tomentosum)Images (7)Videos (4)