alliaria petiolata, medicago lupulina, mercurialis annua, solanum nigrum, convolvulus arvensis, fallopia convolvulus, holcus lanatus, lolium perenne, aethusa cynapium, artemisia vulgaris, capsella bursa-pastoris, chelidonium majus, chenopodium album, erigeron canadensis, geranium molle, plantago lanceolata, poa annua, polygonum aviculare, sisymbrium officinale, atriplex patula