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Date: 2009-06-07 15:30:14Biology Botany Noxious weed Plants Flora of North America Noxious Cirsium arvense Weed Garden pests Agriculture Invasive plant species | Table 8. Facts and figures about noxious weeds. $137 billion Estimate of annual economic damage from all introduced pests in US (Pimental et al. 2000)Add to Reading ListSource URL: www.wnps.orgDownload Document from Source WebsiteFile Size: 73,39 KBShare Document on Facebook |