artemisia absinthium, artemisia vulgaris, arrhenatherum elatius, atriplex patula, chenopodium suecicum, lolium perenne, capsella bursa-pastoris, elymus repens, erigeron canadensis, galinsoga parviflora, hordeum murinum, hyoscyamus niger, lepidium ruderale, medicago lupulina, mercurialis annua, poa annua, polygonum aviculare, robinia pseudoacacia, silene latifolia, sisymbrium loeselii, solanum nigrum, solanum tuberosum, sonchus oleraceus, trifolium repens, tripleurospermum inodorum, achillea millefolium, arctium lappa, carduus acanthoides, chelidonium majus, malva neglecta, plantago media, poa palustris, tanacetum vulgare, urtica dioica