Aug 09, 2017
By Michael Kramer
The Nature Conservancy of Canada is asking people to document sightings of Giant Hogweed – a towering, three-metre high green plant – with large white flowers – which has been spreading in southern Ontario and elsewhere in Canada.
The plant’s clear sap can cause blistering third-degree burns – if it touches the body – and is then exposed to the sun – through a photo-toxic reaction.
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