Botanically, it is Aegopodium podagraria. In gardening parlance, it often answers to Goutweed, along perhaps as Gout Wort, Ground Elder, Bishop's Weed, Herb Gerard, Snow-in-the Mountain, even Wild Masterwort. And those are the printable names. For this rhizomatous perennial has been described as 'one of the worst garden weeds in the perennial garden.' Yet still some garden centers continue to retail it.