plantago major, polygonum aviculare, agrostis stolonifera, artemisia vulgaris, bromus hordeaceus, crepis setosa, erigeron canadensis, hordeum geniculatum, lactuca serriola, lotus corniculatus, matricaria discoidea, plantago lanceolata, potentilla supina, puccinellia distans, rumex crispus, silene vulgaris, trifolium fragiferum, trifolium pratense, trifolium repens, tripleurospermum inodorum, xanthium strumarium