poa annua, setaria pumila, digitaria sanguinalis, amaranthus powellii, chenopodium album, lipandra polysperma, viola arvensis, ajuga reptans, amaranthus blitum, amaranthus retroflexus, capsella bursa-pastoris, centaurea jacea, clematis vitalba, cynodon dactylon, daucus carota, digitaria ciliaris, echinochloa crus-galli, epilobium collinum, erigeron annuus, fallopia convolvulus, galium mollugo, hypericum perforatum, lamium purpureum, lotus corniculatus, lysimachia arvensis, oxalis stricta, persicaria maculosa, plantago major, rumex obtusifolius, solidago canadensis