chenopodium album, lolium perenne, dactylis glomerata, phleum pratense, persicaria lapathifolia, plantago lanceolata, poa palustris, poa pratensis, thlaspi arvense, tripleurospermum inodorum, urtica dioica, atriplex patula, chenopodium ficifolium, rumex crispus, silene latifolia