xanthium orientale, persicaria lapathifolia, bidens tripartita, cuscuta campestris, echinochloa crus-galli, echium vulgare, euphorbia platyphyllos, galega officinalis, inula britannica, jacobaea erratica, lolium perenne, mentha pulegium, persicaria hydropiper, persicaria minor, plantago major, polygonum aviculare, potentilla reptans, setaria pumila