helianthus tuberosus, artemisia vulgaris, achillea collina, arctium tomentosum, argentina anserina, chenopodium album, erigeron canadensis, lamium album, leonurus cardiaca, lepidium ruderale, lolium perenne, plantago major, poa annua, polygonum aviculare, silene latifolia, sonchus oleraceus, urtica dioica