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The news has grown worse for Lake Anna as the most recent water samples collected resulted in more swimming advisories because of harmful alga…

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A dragonfly touches water from a koi pond fountain and bumble bees gather pollen off globe thistle blooms at Chatham Manor in Stafford County …

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The sap of it causes phytophotodermatitis in humans, resulting in blisters and long-lasting scars. Ukraine

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The sap of the hogweed plant can burn the skin, causing blistering and sometimes permanent scarring. It resembles other harmless weeds.

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When exposed to skin, the sap from a giant hogweed plant can cause severe blistering and permanent scarring.