potentilla supina, xanthium strumarium, trigonella balansae, erigeron canadensis, lolium perenne, trifolium echinatum, alopecurus myosuroides, lactuca saligna, medicago lupulina, tripleurospermum inodorum, centaurea benedicta, crepis biennis, lactuca serriola, persicaria hydropiper, plantago major, poa trivialis, polygonum aviculare, rumex palustris, sonchus asper, torilis leptophylla, trifolium repens, convolvulus arvensis, bromus sterilis, myagrum perfoliatum, verbena officinalis