:"Goosefoot" redirects here. The unrelated Smearwort (Aristolochia rotunda)'s sometimes called "Mercury Goosefoot". Chenopodium's a genus of about 150 species of perennial or annual herbaceous flowering plants known as the goosefoots, which occur almost anywhere in the world. It's placed in the family Amaranthaceae in the APG II system; older classifications separate it and its relatives as Chenopodiaceae but this leaves the rest of the Amaranthaceae polyphyletic. However, among the Amaranthace… (More on Chenopodium)