Angiosperms, Arctium, Asteraceae, Asterales, Asterids, Carduoideae, Cynareae, Eudicots, North America, November, Plantae, US, USA, Wisconsin, animal, biennial, brown, bur, burdock, burdock burr, burr, burrs, dead, dried, fields, flora, grow, hooker burrs, natural, nature, north american, north woods, northern, northern Wisconsin, northwoods, plant, plants, snow, snow covered, snow-covered, wild, winter