panicum capillare, amaranthus retroflexus, erigeron canadensis, achillea setacea, amaranthus blitoides, artemisia annua, atriplex patula, chenopodium album, cichorium intybus, cynodon dactylon, digitaria sanguinalis, diplotaxis muralis, eragrostis minor, lepidium ruderale, polygonum aviculare, senecio vulgaris, setaria pumila, symphyotrichum ciliatum, tripleurospermum inodorum, xanthium spinosum