It is worth noting that this plant can often be mistaken for the very poisonous Giant Hogweed. The differences to be aware of are firstly the size, Giant Hogweed can grow as tall as 5 metres. The other clear difference is the leaves, on the Giant Hogweed they are very pointed with deep divides between them, while the leaves of the Common …

https://www.plantlife.org.uk/uk/discover-wild-plants-nature/plant-fungi-species/common-hogweed