text: sisymbrium altissimum, achillea millefolium, agrostis stolonifera, artemisia absinthium, artemisia vulgaris, apera spica-venti, brassica nigra, capsella bursa-pastoris, chenopodium album, cirsium arvense, dactylis glomerata, daucus carota, elymus repens, erigeron canadensis, lactuca serriola, matricaria discoidea, persicaria lapathifolia, plantago lanceolata, poa pratensis, polygonum aviculare, rumex crispus, sisymbrium officinale, sonchus asper, tanacetum vulgare