amaranthus retroflexus, arctium tomentosum, solanum nigrum, rumex crispus, portulaca oleracea, achillea millefolium, amaranthus albus, ambrosia artemisiifolia, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, erigeron annuus, erigeron canadensis, lamium album, polygonum aviculare, setaria viridis, sonchus oleraceus, trifolium pratense, urtica dioica