Web Directory

» Xanthium sibiricum
   Photograph and information on the Siberian Cocklebur, its description, distribution, ecology and economic significance as a weed species.
   http://www.agroatlas.ru/weeds/Xanthium_sibiricum_en.htm

» Xanthium spinosum
   Photograph and information on the Spiny Cocklebur, its description, distribution, ecology and economic significance as a weed species.
   http://www.agroatlas.ru/weeds/Xanthium_spinosum_en.htm

» Xanthium spinosum: Spiny Cocklebur
   Photographs of several stages in the growth of this prickly annual plant, with its description and identifying characteristics.
   http://www.ppws.vt.edu/scott/weed_id/xansp.htm

» Xanthium strumarium
   Photograph and information on the Common or Rough Cocklebur, its description, distribution, ecology and economic significance as a weed species.
   http://www.agroatlas.ru/weeds/Xanthium_strumarium_en.htm

» Xanthium strumarium: Common Cocklebur
   Photographs of several stages in the growth of this annual plant, with its description and identifying characteristics.
   http://www.ppws.vt.edu/scott/weed_id/xanst.htm