Ragweed species ( Ambrosia spp.) in Israel: distribution and allergenicity

AbstractAmbrosia, specificallyAmbrosia artemisiifolia, are known throughout the world as invasive, allergenic and noxious weeds. This research leads to the first map of the spread ofAmbrosia species in Israel and describes the risk associated with their distribution to the public health. SixAmbrosia species were identified in Israel. There is one invasive species,A. confertiflora DC (Burr ragweed), which is most abundant in central Israel. There are three naturalized species:A. tenuifolia Spreng (Lacy ragweed) which is found in several locations;A. psilostachya DC (Cuman ragweed) andA. grayi (woolly leaf bur ragweed), which are restricted to a single location each. There are two casual species:A. artemisiifolia L. (short ragweed, common ragweed) andA. trifida L. (Giant ragweed). There are ...

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