hordeum vulgare, atriplex patula, agrostis gigantea, anthemis cotula, plantago major, polygonum aviculare, trifolium pratense, tripleurospermum inodorum, elymus repens, lysimachia arvensis, matricaria discoidea, poa annua, lapsana communis, persicaria maculosa, sonchus oleraceus, spergula arvensis, vicia hirsuta, cirsium arvense, euphorbia helioscopia, gnaphalium uliginosum, medicago lupulina, persicaria lapathifolia, rumex crispus