It is a member of the carrot family. This seems strange until you see the flowers which are borne in umbrella-like clusters. They have never flowered in my garden, but I think that is because they are growing in a dark, shady spot and don't get enough sunlight. Apparently it is possible to pick the leaves of this plant in early spring and eat them much like spinach. I have never done this. Goutweed just doesn't sound appetising to me. There is also evidence of this plant's early use as a treatment for gout and arthritis. Hence the name 'Goutweed', but a weed by any other name is still a weed! Hours of back-breaking weeding fun are in my future!
Family: Apiaceae. Genus: Aegopodium. Species: A. podagraria
Common names: Goutweed, Bishop's weed, Snow-on-the-Mountain, Ground Elder