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Milkweed is a weed that infested millions of agricultural acres that is difficult to control.(Counter to the implication of this essay, glyphosate doesn???t harm monarch butterflies directly, it is merely an effective herbicide against a common weed, milkweed.) To play Devil???s advocate, don???t you think pigweed also has its attendant biome, perhaps some weevil or mite that is also threatened wh
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