The president Michel Thibaudon and the vice president Uwe Starfinger of the IRS were present at the 15th Conference on ecology and management of alien plant invasions in September in Prague. At this occasion, Michel Thibaudon presented a poster about IRS.

The French ragweed observatory was also present at the Conference to talk about giant Ragweed and perenniel Ragweed in a poster. It was the occasion to interview researchers about ragweed’s distribution in their countries. The videos of these interviews will be available soon on the website.