Envoy
Skeletonleaf Burr Ragweed (''Ambrosia tomentosa'') Downloaded from : http://plants.usda.gov/cgi_bin/topics.cgi?earl=plant_profile.cgi&symbol=AMTO3&photoID=gadi3_001_avd.tif {{PD-USGov-USDA}} Credits : This image is not copyrighted and may be freely
