International Ragweed Society

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International Ragweed Society

A scientific organization. Promote the knowledge of the weed, control the allergenic pollen.

Pollen data

Pollen data

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

Membership

To join IRS and pay your fee for the 2023-2024 period, please fill in the membership form

Forthcoming events

Useful links

AFEDA
Ambrosia (Switzerland)
European Aerobiology Society
European Ecocyles Society
European Weed Research Society
International Association for Aerobiology
Meteosuisse – pollen
Observatoire des ambroisies
Observatoire Wallon des ambroisies
Pollenindex, Hungary
Polleninfo
RNSA, France
Signalement-ambroisie

Recent literature

Recent literature on common ragweed is presented here.
“Ambrosia the first international ragweed review No. 29 – Summary”

Conferences

Meetings where ragweed-related problems were discussed:
– First International Ragweed Workshop
Parma, September 3-7th, 2018
– 6th European Symposium on Aerobiology
Lyon, July 18-22nd, 2016
– Pollen is in the air: invasive plants and allergy in our changing environment. Brussels March 5-6th, 2015
– 3rd International Ragweed Conference.
Milano, April 3-4th, 2014
– Ragweed as invasive plant.
Honolulu, August 6-10th, 2011
– Environmental and invasive weeds.
Ascona, October 2-7th, 2011
– Ragweed in agri-environment,
Budapest, September 20-22nd, 2011
– Second International Ragweed Conference.
Lyon, March 28-29, 2012
The conference closing remarks are readable here.
– 25th German Conference on Weed Biology and Weed Control.
Braunschweig, March 13-15th, 2012
– First European Ecocycles Conference.
Palermo, July 22-26th, 2013

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