text: chenopodium vulvaria, urtica urens, achillea setacea, agropyron cristatum, amaranthus blitoides, amaranthus crispus, atriplex oblongifolia, bromus sterilis, capsella bursa-pastoris, cynodon dactylon, fumaria schleicheri, galinsoga parviflora, hordeum murinum, lepidium draba, lepidium ruderale, lolium perenne, malva neglecta, matricaria chamomilla, matricaria discoidea, polygonum aviculare, portulaca oleracea, setaria pumila, solanum nigrum, xanthium spinosum