text: artemisia vulgaris, elymus repens, lamium album, bromus sterilis, chenopodium album, erigeron canadensis, lolium perenne, polygonum aviculare, sisymbrium officinale, tanacetum vulgare, atriplex patula, avena fatua, capsella bursa-pastoris, crepis capillaris, dactylis glomerata, geranium pusillum, oxalis stricta, plantago lanceolata, plantago major, poa pratensis, senecio vulgaris, solanum nigrum, sonchus oleraceus, urtica urens, viola arvensis