Popular or medical pages from Hungary
- http://www.nepegeszseg.net/
- http://www.pollenindex.hu/
- http://www.parlagfu.hu/allergiapollenparlagfu_1.html
Studies in Hungary
- http://www.fomi.hu/honlap/magyar/projektek/leirasok/parlagfu/
- http://gyommentes.hu/
- http://www.agrarkutatas.net/aktualis/tag/parlagf%C5%B1
Popular or medical pages from abroad
- http://www.stmug.bayern.de/gesundheit/umweltgesund/ambrosia/index.htm
- http://www.ambroisie.info/
- http://www.ambrosiainfo.de
- http://www.ambrosia-info.ch/
- http://www.ambrosia.ch/
- http://www.cbd.int/invasive/
- http://www.europe-aliens.org/
- http://www.ewrs.org/
- http://www.gisp.org/
- http://www.invasive.org/gist/esadocs.html
- http://www.nobanis.org/
- http://www.polleninfo.org/
- http://weedscanada.ca/plants_poisonous_animals.htm
- http://plants.usda.gov/java/usageGuidelines
Studies abroad