cirsium arvense, descurainia sophia, erigeron canadensis, poa annua, stellaria media, valerianella locusta, veronica triphyllos, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, draba verna, geranium pusillum, lamium amplexicaule, rorippa sylvestris, thlaspi arvense, veronica polita, arenaria serpyllifolia, fallopia convolvulus, galium aparine, holosteum umbellatum, neslia paniculata, roemeria argemone, sinapis arvensis, erodium cicutarium, silene noctiflora, veronica hederifolia, veronica triloba, viola arvensis, artemisia vulgaris, senecio vernalis