lepidium ruderale, polygonum aviculare, chenopodium album, sisymbrium officinale, bromus sterilis, capsella bursa-pastoris, poa annua, tripleurospermum inodorum, vicia hirsuta, cirsium arvense, descurainia sophia, erigeron canadensis, erysimum cheiranthoides, galinsoga parviflora, plantago major, senecio vulgaris, sonchus oleraceus, urtica urens