False Ragweed Small 179×320 Medium 358×640 Large 573×1024 Download Tiff Original 1344×2400 | (629.5 KB) Description Various views of the false ragweed, Iva xanthifolia. Keywords false ragweed, iva xanthifolia, weeds Galleries Flowers and Shrubs: Q-R Source: Geo. Wm. Hill, ed. Yearbook of the United States Department of Agriculture (Washington, DC: Government Printing Office, 1898) Courtesy the private collection of Roy Winkelman
