text: matricaria chamomilla, chenopodium album, matricaria discoidea, poa annua, capsella bursa-pastoris, fallopia convolvulus, centaurea cyanus, erysimum cheiranthoides, fumaria officinalis, hordeum vulgare, lolium perenne, persicaria maculosa, plantago major, polygonum aviculare, secale cereale, solanum tuberosum, stellaria media, thlaspi arvense, veronica persica, cirsium arvense, galeopsis pubescens, lapsana communis, stachys palustris