| http://www.w3.org/ns/prov#value | - International trade imperils U.S. plants, animals...( e the Russian wheat aphid that attack ...)HOME >> BIOLOGY >> NEWSInternational trade imperils U.S. plants, animals and crops e the Russian wheat aphid, that attack crops; parasitic plants like witch weed, which now affect corn farmers; or weeds, such as thistles, that invade cropland.
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