atriplex oblongifolia, descurainia sophia, erigeron canadensis, artemisia vulgaris, lactuca serriola, anthriscus sylvestris, atriplex patula, atriplex sagittata, chenopodium album, chenopodium ficifolium, crepis biennis, lepidium draba, papaver dubium, scorzoneroides autumnalis, sisymbrium loeselii, vicia sepium, medicago lupulina, sonchus oleraceus