atriplex sagittata, sinapis arvensis, chenopodium album, artemisia vulgaris, chenopodium ficifolium, erysimum cheiranthoides, fumaria officinalis, sisymbrium loeselii, thlaspi arvense, tripleurospermum inodorum, lamium purpureum, agrostis stolonifera, erigeron canadensis, fallopia convolvulus, galinsoga parviflora, galium aparine, medicago lupulina, papaver somniferum, persicaria lapathifolia, polygonum aviculare, tussilago farfara, urtica dioica, urtica urens