tripleurospermum inodorum, galinsoga quadriradiata, lolium perenne, lysimachia arvensis, matricaria discoidea, persicaria lapathifolia, persicaria maculosa, poa annua, apera spica-venti, artemisia vulgaris, elymus repens, erigeron canadensis, lamium purpureum, plantago major, polygonum aviculare, silene latifolia, stellaria media, trifolium repens, veronica hederifolia, veronica persica, viola arvensis, bellis perennis, crepis biennis, fallopia convolvulus, senecio vernalis