artemisia vulgaris, arctium lappa, carduus acanthoides, erigeron canadensis, lolium perenne, oenothera biennis, poa compressa, polygonum aviculare, tripleurospermum inodorum, achillea millefolium, amaranthus retroflexus, atriplex patula, atriplex tatarica, berteroa incana, chenopodium album, cirsium vulgare, convolvulus arvensis, coronilla varia, dipsacus fullonum, elymus repens, hordeum murinum, lactuca serriola, lamium album, lepidium ruderale, medicago lupulina, melilotus albus, melilotus officinalis, plantago major, rumex crispus, silene latifolia, sisymbrium officinale, solidago canadensis, tanacetum vulgare, urtica dioica