The 39th issue of the newsletter of the French Observatory of ragweeds has now been published (link below). This monthly newsletter aims to provide general and scientific information on the latest news concerning ragweed species and more particularly common ragweed (Ambrosia artemisiifolia L.).
Previous newsletters (in French) from the Ragweeds Observatory are online on the Observatory website: http://www.ambroisie.info/pages/actu.htm.
Anyone interested in receiving this newsletter can contact . Most issues are in French, just a few issues are in English (two or three newsletters will be translated each year).