Giant hogweed (Heracleum mantegazzianum) is a Federally listed noxious weed. Its sap, in combination with moisture and sunlight, can cause severe skin and eye irritation, painful blistering, permanent scarring and blindness.
	Contact between the skin and the sap of this plant occurs either through brushing against the bristles on the stem or breaking the stem or leaves. This plant poses a serious health threat; see your physician if you think you have been burned by giant hogweed.
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